Home / 24,031.31-33,159.17-13,420.98

Finding the Fourth Proportional to 24,031.31, 33,159.17 and 13,420.98

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Solution

The fourth proportional to 24,031.31, 33,159.17 and 13,420.98 is: 18,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,031.31 : 33,159.17 = 13,420.98 : x
  2. Step 2: Convert to fraction form
    24,031.31/33,159.17 = 13,420.98/x
  3. Step 3: Cross multiply
    24,031.31x = 33,159.17 × 13,420.98
  4. Step 4: Simplify right side
    24,031.31x = 445,028,590.94
  5. Step 5: Solve for x
    x = 445,028,590.94/24,031.31
  6. Step 6: Final answer
    x = 18,518.70

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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.