Home / 17,700.48-24,437.16-15,732.36

Finding the Fourth Proportional to 17,700.48, 24,437.16 and 15,732.36

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Solution

The fourth proportional to 17,700.48, 24,437.16 and 15,732.36 is: 21,719.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,700.48 : 24,437.16 = 15,732.36 : x
  2. Step 2: Convert to fraction form
    17,700.48/24,437.16 = 15,732.36/x
  3. Step 3: Cross multiply
    17,700.48x = 24,437.16 × 15,732.36
  4. Step 4: Simplify right side
    17,700.48x = 384,454,198.50
  5. Step 5: Solve for x
    x = 384,454,198.50/17,700.48
  6. Step 6: Final answer
    x = 21,719.99

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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.