Home / 25,430.66-38,141.63-6,710.90

Finding the Fourth Proportional to 25,430.66, 38,141.63 and 6,710.90

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Solution

The fourth proportional to 25,430.66, 38,141.63 and 6,710.90 is: 10,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.66 : 38,141.63 = 6,710.90 : x
  2. Step 2: Convert to fraction form
    25,430.66/38,141.63 = 6,710.90/x
  3. Step 3: Cross multiply
    25,430.66x = 38,141.63 × 6,710.90
  4. Step 4: Simplify right side
    25,430.66x = 255,964,717.97
  5. Step 5: Solve for x
    x = 255,964,717.97/25,430.66
  6. Step 6: Final answer
    x = 10,065.20

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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.