Home / 21,155.04-29,194.32-11,594.76

Finding the Fourth Proportional to 21,155.04, 29,194.32 and 11,594.76

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Solution

The fourth proportional to 21,155.04, 29,194.32 and 11,594.76 is: 16,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,155.04 : 29,194.32 = 11,594.76 : x
  2. Step 2: Convert to fraction form
    21,155.04/29,194.32 = 11,594.76/x
  3. Step 3: Cross multiply
    21,155.04x = 29,194.32 × 11,594.76
  4. Step 4: Simplify right side
    21,155.04x = 338,501,133.76
  5. Step 5: Solve for x
    x = 338,501,133.76/21,155.04
  6. Step 6: Final answer
    x = 16,000.97

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Half scale
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Double scale
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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.