Home / 26,148.80-36,088.40-15,538.43

Finding the Fourth Proportional to 26,148.80, 36,088.40 and 15,538.43

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Solution

The fourth proportional to 26,148.80, 36,088.40 and 15,538.43 is: 21,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,148.80 : 36,088.40 = 15,538.43 : x
  2. Step 2: Convert to fraction form
    26,148.80/36,088.40 = 15,538.43/x
  3. Step 3: Cross multiply
    26,148.80x = 36,088.40 × 15,538.43
  4. Step 4: Simplify right side
    26,148.80x = 560,757,206.28
  5. Step 5: Solve for x
    x = 560,757,206.28/26,148.80
  6. Step 6: Final answer
    x = 21,444.85

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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.