Home / 14,818.12-20,442.84-9,712.24

Finding the Fourth Proportional to 14,818.12, 20,442.84 and 9,712.24

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Solution

The fourth proportional to 14,818.12, 20,442.84 and 9,712.24 is: 13,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818.12 : 20,442.84 = 9,712.24 : x
  2. Step 2: Convert to fraction form
    14,818.12/20,442.84 = 9,712.24/x
  3. Step 3: Cross multiply
    14,818.12x = 20,442.84 × 9,712.24
  4. Step 4: Simplify right side
    14,818.12x = 198,545,768.36
  5. Step 5: Solve for x
    x = 198,545,768.36/14,818.12
  6. Step 6: Final answer
    x = 13,398.85

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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.