Home / 17,722.86-24,437.28-13,239.06

Finding the Fourth Proportional to 17,722.86, 24,437.28 and 13,239.06

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Solution

The fourth proportional to 17,722.86, 24,437.28 and 13,239.06 is: 18,254.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,722.86 : 24,437.28 = 13,239.06 : x
  2. Step 2: Convert to fraction form
    17,722.86/24,437.28 = 13,239.06/x
  3. Step 3: Cross multiply
    17,722.86x = 24,437.28 × 13,239.06
  4. Step 4: Simplify right side
    17,722.86x = 323,526,616.16
  5. Step 5: Solve for x
    x = 323,526,616.16/17,722.86
  6. Step 6: Final answer
    x = 18,254.76

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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.