Home / 18,428.13-25,430.76-10,044.63

Finding the Fourth Proportional to 18,428.13, 25,430.76 and 10,044.63

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Solution

The fourth proportional to 18,428.13, 25,430.76 and 10,044.63 is: 13,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428.13 : 25,430.76 = 10,044.63 : x
  2. Step 2: Convert to fraction form
    18,428.13/25,430.76 = 10,044.63/x
  3. Step 3: Cross multiply
    18,428.13x = 25,430.76 × 10,044.63
  4. Step 4: Simplify right side
    18,428.13x = 255,442,574.82
  5. Step 5: Solve for x
    x = 255,442,574.82/18,428.13
  6. Step 6: Final answer
    x = 13,861.56

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Half scale
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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.