Home / 17,520.95-26,265.80-6,425.05

Finding the Fourth Proportional to 17,520.95, 26,265.80 and 6,425.05

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Solution

The fourth proportional to 17,520.95, 26,265.80 and 6,425.05 is: 9,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.95 : 26,265.80 = 6,425.05 : x
  2. Step 2: Convert to fraction form
    17,520.95/26,265.80 = 6,425.05/x
  3. Step 3: Cross multiply
    17,520.95x = 26,265.80 × 6,425.05
  4. Step 4: Simplify right side
    17,520.95x = 168,759,078.29
  5. Step 5: Solve for x
    x = 168,759,078.29/17,520.95
  6. Step 6: Final answer
    x = 9,631.85

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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.