Home / 19,655.25-27,123.84-10,702.91

Finding the Fourth Proportional to 19,655.25, 27,123.84 and 10,702.91

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Solution

The fourth proportional to 19,655.25, 27,123.84 and 10,702.91 is: 14,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.25 : 27,123.84 = 10,702.91 : x
  2. Step 2: Convert to fraction form
    19,655.25/27,123.84 = 10,702.91/x
  3. Step 3: Cross multiply
    19,655.25x = 27,123.84 × 10,702.91
  4. Step 4: Simplify right side
    19,655.25x = 290,303,882.76
  5. Step 5: Solve for x
    x = 290,303,882.76/19,655.25
  6. Step 6: Final answer
    x = 14,769.79

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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.