Home / 26,343.12-36,349.92-15,730.50

Finding the Fourth Proportional to 26,343.12, 36,349.92 and 15,730.50

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Solution

The fourth proportional to 26,343.12, 36,349.92 and 15,730.50 is: 21,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,343.12 : 36,349.92 = 15,730.50 : x
  2. Step 2: Convert to fraction form
    26,343.12/36,349.92 = 15,730.50/x
  3. Step 3: Cross multiply
    26,343.12x = 36,349.92 × 15,730.50
  4. Step 4: Simplify right side
    26,343.12x = 571,802,416.56
  5. Step 5: Solve for x
    x = 571,802,416.56/26,343.12
  6. Step 6: Final answer
    x = 21,705.95

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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.