Home / 16,971.15-23,425.62-9,898.95

Finding the Fourth Proportional to 16,971.15, 23,425.62 and 9,898.95

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Solution

The fourth proportional to 16,971.15, 23,425.62 and 9,898.95 is: 13,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.15 : 23,425.62 = 9,898.95 : x
  2. Step 2: Convert to fraction form
    16,971.15/23,425.62 = 9,898.95/x
  3. Step 3: Cross multiply
    16,971.15x = 23,425.62 × 9,898.95
  4. Step 4: Simplify right side
    16,971.15x = 231,889,041.10
  5. Step 5: Solve for x
    x = 231,889,041.10/16,971.15
  6. Step 6: Final answer
    x = 13,663.72

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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.