Home / 25,707.55-38,547.49-13,867.68

Finding the Fourth Proportional to 25,707.55, 38,547.49 and 13,867.68

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Solution

The fourth proportional to 25,707.55, 38,547.49 and 13,867.68 is: 20,794.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,707.55 : 38,547.49 = 13,867.68 : x
  2. Step 2: Convert to fraction form
    25,707.55/38,547.49 = 13,867.68/x
  3. Step 3: Cross multiply
    25,707.55x = 38,547.49 × 13,867.68
  4. Step 4: Simplify right side
    25,707.55x = 534,564,256.12
  5. Step 5: Solve for x
    x = 534,564,256.12/25,707.55
  6. Step 6: Final answer
    x = 20,794.06

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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.