Home / 27,125.04-40,688.24-8,657.04

Finding the Fourth Proportional to 27,125.04, 40,688.24 and 8,657.04

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Solution

The fourth proportional to 27,125.04, 40,688.24 and 8,657.04 is: 12,985.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.04 : 40,688.24 = 8,657.04 : x
  2. Step 2: Convert to fraction form
    27,125.04/40,688.24 = 8,657.04/x
  3. Step 3: Cross multiply
    27,125.04x = 40,688.24 × 8,657.04
  4. Step 4: Simplify right side
    27,125.04x = 352,239,721.21
  5. Step 5: Solve for x
    x = 352,239,721.21/27,125.04
  6. Step 6: Final answer
    x = 12,985.78

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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.