Home / 16,990.13-23,442.60-10,275.62

Finding the Fourth Proportional to 16,990.13, 23,442.60 and 10,275.62

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Solution

The fourth proportional to 16,990.13, 23,442.60 and 10,275.62 is: 14,178.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.13 : 23,442.60 = 10,275.62 : x
  2. Step 2: Convert to fraction form
    16,990.13/23,442.60 = 10,275.62/x
  3. Step 3: Cross multiply
    16,990.13x = 23,442.60 × 10,275.62
  4. Step 4: Simplify right side
    16,990.13x = 240,887,132.20
  5. Step 5: Solve for x
    x = 240,887,132.20/16,990.13
  6. Step 6: Final answer
    x = 14,178.07

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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.