Home / 37,953.20-56,929.80-11,657.90

Finding the Fourth Proportional to 37,953.20, 56,929.80 and 11,657.90

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Solution

The fourth proportional to 37,953.20, 56,929.80 and 11,657.90 is: 17,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,953.20 : 56,929.80 = 11,657.90 : x
  2. Step 2: Convert to fraction form
    37,953.20/56,929.80 = 11,657.90/x
  3. Step 3: Cross multiply
    37,953.20x = 56,929.80 × 11,657.90
  4. Step 4: Simplify right side
    37,953.20x = 663,681,915.42
  5. Step 5: Solve for x
    x = 663,681,915.42/37,953.20
  6. Step 6: Final answer
    x = 17,486.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.