Home / 16,974.59-23,425.17-9,421.40

Finding the Fourth Proportional to 16,974.59, 23,425.17 and 9,421.40

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Solution

The fourth proportional to 16,974.59, 23,425.17 and 9,421.40 is: 13,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,974.59 : 23,425.17 = 9,421.40 : x
  2. Step 2: Convert to fraction form
    16,974.59/23,425.17 = 9,421.40/x
  3. Step 3: Cross multiply
    16,974.59x = 23,425.17 × 9,421.40
  4. Step 4: Simplify right side
    16,974.59x = 220,697,779.51
  5. Step 5: Solve for x
    x = 220,697,779.51/16,974.59
  6. Step 6: Final answer
    x = 13,001.66

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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.