Home / 19,155.52-26,436.84-10,774.72

Finding the Fourth Proportional to 19,155.52, 26,436.84 and 10,774.72

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Solution

The fourth proportional to 19,155.52, 26,436.84 and 10,774.72 is: 14,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.52 : 26,436.84 = 10,774.72 : x
  2. Step 2: Convert to fraction form
    19,155.52/26,436.84 = 10,774.72/x
  3. Step 3: Cross multiply
    19,155.52x = 26,436.84 × 10,774.72
  4. Step 4: Simplify right side
    19,155.52x = 284,849,548.68
  5. Step 5: Solve for x
    x = 284,849,548.68/19,155.52
  6. Step 6: Final answer
    x = 14,870.36

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.