Home / 27,585.61-38,068.88-15,650.74

Finding the Fourth Proportional to 27,585.61, 38,068.88 and 15,650.74

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Solution

The fourth proportional to 27,585.61, 38,068.88 and 15,650.74 is: 21,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,585.61 : 38,068.88 = 15,650.74 : x
  2. Step 2: Convert to fraction form
    27,585.61/38,068.88 = 15,650.74/x
  3. Step 3: Cross multiply
    27,585.61x = 38,068.88 × 15,650.74
  4. Step 4: Simplify right side
    27,585.61x = 595,805,874.37
  5. Step 5: Solve for x
    x = 595,805,874.37/27,585.61
  6. Step 6: Final answer
    x = 21,598.43

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Half 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.