Home / 26,937.32-37,172.10-15,000.20

Finding the Fourth Proportional to 26,937.32, 37,172.10 and 15,000.20

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Solution

The fourth proportional to 26,937.32, 37,172.10 and 15,000.20 is: 20,699.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,937.32 : 37,172.10 = 15,000.20 : x
  2. Step 2: Convert to fraction form
    26,937.32/37,172.10 = 15,000.20/x
  3. Step 3: Cross multiply
    26,937.32x = 37,172.10 × 15,000.20
  4. Step 4: Simplify right side
    26,937.32x = 557,588,934.42
  5. Step 5: Solve for x
    x = 557,588,934.42/26,937.32
  6. Step 6: Final answer
    x = 20,699.50

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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.