Home / 26,479.92-36,526.24-15,717.69

Finding the Fourth Proportional to 26,479.92, 36,526.24 and 15,717.69

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Solution

The fourth proportional to 26,479.92, 36,526.24 and 15,717.69 is: 21,680.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.92 : 36,526.24 = 15,717.69 : x
  2. Step 2: Convert to fraction form
    26,479.92/36,526.24 = 15,717.69/x
  3. Step 3: Cross multiply
    26,479.92x = 36,526.24 × 15,717.69
  4. Step 4: Simplify right side
    26,479.92x = 574,108,117.19
  5. Step 5: Solve for x
    x = 574,108,117.19/26,479.92
  6. Step 6: Final answer
    x = 21,680.89

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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.