Home / 26,507.27-36,564.78-15,890.74

Finding the Fourth Proportional to 26,507.27, 36,564.78 and 15,890.74

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Solution

The fourth proportional to 26,507.27, 36,564.78 and 15,890.74 is: 21,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,507.27 : 36,564.78 = 15,890.74 : x
  2. Step 2: Convert to fraction form
    26,507.27/36,564.78 = 15,890.74/x
  3. Step 3: Cross multiply
    26,507.27x = 36,564.78 × 15,890.74
  4. Step 4: Simplify right side
    26,507.27x = 581,041,380.32
  5. Step 5: Solve for x
    x = 581,041,380.32/26,507.27
  6. Step 6: Final answer
    x = 21,920.07

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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.