Home / 27,637.61-38,139.58-16,307.13

Finding the Fourth Proportional to 27,637.61, 38,139.58 and 16,307.13

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Solution

The fourth proportional to 27,637.61, 38,139.58 and 16,307.13 is: 22,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.61 : 38,139.58 = 16,307.13 : x
  2. Step 2: Convert to fraction form
    27,637.61/38,139.58 = 16,307.13/x
  3. Step 3: Cross multiply
    27,637.61x = 38,139.58 × 16,307.13
  4. Step 4: Simplify right side
    27,637.61x = 621,947,089.21
  5. Step 5: Solve for x
    x = 621,947,089.21/27,637.61
  6. Step 6: Final answer
    x = 22,503.65

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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.