Home / 17,521.25-26,281.87-6,423.74

Finding the Fourth Proportional to 17,521.25, 26,281.87 and 6,423.74

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Solution

The fourth proportional to 17,521.25, 26,281.87 and 6,423.74 is: 9,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,521.25 : 26,281.87 = 6,423.74 : x
  2. Step 2: Convert to fraction form
    17,521.25/26,281.87 = 6,423.74/x
  3. Step 3: Cross multiply
    17,521.25x = 26,281.87 × 6,423.74
  4. Step 4: Simplify right side
    17,521.25x = 168,827,736.07
  5. Step 5: Solve for x
    x = 168,827,736.07/17,521.25
  6. Step 6: Final answer
    x = 9,635.60

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Similar ratio
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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.