Home / 17,281.76-25,925.13-7,420.95

Finding the Fourth Proportional to 17,281.76, 25,925.13 and 7,420.95

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Solution

The fourth proportional to 17,281.76, 25,925.13 and 7,420.95 is: 11,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,281.76 : 25,925.13 = 7,420.95 : x
  2. Step 2: Convert to fraction form
    17,281.76/25,925.13 = 7,420.95/x
  3. Step 3: Cross multiply
    17,281.76x = 25,925.13 × 7,420.95
  4. Step 4: Simplify right side
    17,281.76x = 192,389,093.47
  5. Step 5: Solve for x
    x = 192,389,093.47/17,281.76
  6. Step 6: Final answer
    x = 11,132.50

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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.