Home / 27,925.98-38,545.11-18,491.10

Finding the Fourth Proportional to 27,925.98, 38,545.11 and 18,491.10

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Solution

The fourth proportional to 27,925.98, 38,545.11 and 18,491.10 is: 25,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.98 : 38,545.11 = 18,491.10 : x
  2. Step 2: Convert to fraction form
    27,925.98/38,545.11 = 18,491.10/x
  3. Step 3: Cross multiply
    27,925.98x = 38,545.11 × 18,491.10
  4. Step 4: Simplify right side
    27,925.98x = 712,741,483.52
  5. Step 5: Solve for x
    x = 712,741,483.52/27,925.98
  6. Step 6: Final answer
    x = 25,522.52

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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.