Home / 26,125.91-36,063.12-15,515.54

Finding the Fourth Proportional to 26,125.91, 36,063.12 and 15,515.54

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Solution

The fourth proportional to 26,125.91, 36,063.12 and 15,515.54 is: 21,417.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,125.91 : 36,063.12 = 15,515.54 : x
  2. Step 2: Convert to fraction form
    26,125.91/36,063.12 = 15,515.54/x
  3. Step 3: Cross multiply
    26,125.91x = 36,063.12 × 15,515.54
  4. Step 4: Simplify right side
    26,125.91x = 559,538,600.57
  5. Step 5: Solve for x
    x = 559,538,600.57/26,125.91
  6. Step 6: Final answer
    x = 21,417.00

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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.