Home / 25,543.08-38,321.51-8,904.06

Finding the Fourth Proportional to 25,543.08, 38,321.51 and 8,904.06

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Solution

The fourth proportional to 25,543.08, 38,321.51 and 8,904.06 is: 13,358.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,543.08 : 38,321.51 = 8,904.06 : x
  2. Step 2: Convert to fraction form
    25,543.08/38,321.51 = 8,904.06/x
  3. Step 3: Cross multiply
    25,543.08x = 38,321.51 × 8,904.06
  4. Step 4: Simplify right side
    25,543.08x = 341,216,979.81
  5. Step 5: Solve for x
    x = 341,216,979.81/25,543.08
  6. Step 6: Final answer
    x = 13,358.49

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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.