Home / 18,574.13-25,631.61-10,615.88

Finding the Fourth Proportional to 18,574.13, 25,631.61 and 10,615.88

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Solution

The fourth proportional to 18,574.13, 25,631.61 and 10,615.88 is: 14,649.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.13 : 25,631.61 = 10,615.88 : x
  2. Step 2: Convert to fraction form
    18,574.13/25,631.61 = 10,615.88/x
  3. Step 3: Cross multiply
    18,574.13x = 25,631.61 × 10,615.88
  4. Step 4: Simplify right side
    18,574.13x = 272,101,967.81
  5. Step 5: Solve for x
    x = 272,101,967.81/18,574.13
  6. Step 6: Final answer
    x = 14,649.52

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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.