Home / 25,348.17-38,030.40-8,707.80

Finding the Fourth Proportional to 25,348.17, 38,030.40 and 8,707.80

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Solution

The fourth proportional to 25,348.17, 38,030.40 and 8,707.80 is: 13,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,348.17 : 38,030.40 = 8,707.80 : x
  2. Step 2: Convert to fraction form
    25,348.17/38,030.40 = 8,707.80/x
  3. Step 3: Cross multiply
    25,348.17x = 38,030.40 × 8,707.80
  4. Step 4: Simplify right side
    25,348.17x = 331,161,117.12
  5. Step 5: Solve for x
    x = 331,161,117.12/25,348.17
  6. Step 6: Final answer
    x = 13,064.50

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1.5x scale

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.