Home / 24,871.19-34,309.40-15,423.35

Finding the Fourth Proportional to 24,871.19, 34,309.40 and 15,423.35

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Solution

The fourth proportional to 24,871.19, 34,309.40 and 15,423.35 is: 21,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,871.19 : 34,309.40 = 15,423.35 : x
  2. Step 2: Convert to fraction form
    24,871.19/34,309.40 = 15,423.35/x
  3. Step 3: Cross multiply
    24,871.19x = 34,309.40 × 15,423.35
  4. Step 4: Simplify right side
    24,871.19x = 529,165,635.83
  5. Step 5: Solve for x
    x = 529,165,635.83/24,871.19
  6. Step 6: Final answer
    x = 21,276.25

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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.