Home / 16,779.17-23,154.78-9,225.51

Finding the Fourth Proportional to 16,779.17, 23,154.78 and 9,225.51

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Solution

The fourth proportional to 16,779.17, 23,154.78 and 9,225.51 is: 12,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.17 : 23,154.78 = 9,225.51 : x
  2. Step 2: Convert to fraction form
    16,779.17/23,154.78 = 9,225.51/x
  3. Step 3: Cross multiply
    16,779.17x = 23,154.78 × 9,225.51
  4. Step 4: Simplify right side
    16,779.17x = 213,614,654.44
  5. Step 5: Solve for x
    x = 213,614,654.44/16,779.17
  6. Step 6: Final answer
    x = 12,730.95

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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.