Home / 25,319.40-34,964.10-16,960.20

Finding the Fourth Proportional to 25,319.40, 34,964.10 and 16,960.20

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Solution

The fourth proportional to 25,319.40, 34,964.10 and 16,960.20 is: 23,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,319.40 : 34,964.10 = 16,960.20 : x
  2. Step 2: Convert to fraction form
    25,319.40/34,964.10 = 16,960.20/x
  3. Step 3: Cross multiply
    25,319.40x = 34,964.10 × 16,960.20
  4. Step 4: Simplify right side
    25,319.40x = 592,998,128.82
  5. Step 5: Solve for x
    x = 592,998,128.82/25,319.40
  6. Step 6: Final answer
    x = 23,420.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.