Home / 25,693.16-38,516.36-9,888.10

Finding the Fourth Proportional to 25,693.16, 38,516.36 and 9,888.10

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Solution

The fourth proportional to 25,693.16, 38,516.36 and 9,888.10 is: 14,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.16 : 38,516.36 = 9,888.10 : x
  2. Step 2: Convert to fraction form
    25,693.16/38,516.36 = 9,888.10/x
  3. Step 3: Cross multiply
    25,693.16x = 38,516.36 × 9,888.10
  4. Step 4: Simplify right side
    25,693.16x = 380,853,473.58
  5. Step 5: Solve for x
    x = 380,853,473.58/25,693.16
  6. Step 6: Final answer
    x = 14,823.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.