Home / 17,587.49-26,381.57-6,488.47

Finding the Fourth Proportional to 17,587.49, 26,381.57 and 6,488.47

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Solution

The fourth proportional to 17,587.49, 26,381.57 and 6,488.47 is: 9,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,587.49 : 26,381.57 = 6,488.47 : x
  2. Step 2: Convert to fraction form
    17,587.49/26,381.57 = 6,488.47/x
  3. Step 3: Cross multiply
    17,587.49x = 26,381.57 × 6,488.47
  4. Step 4: Simplify right side
    17,587.49x = 171,175,909.81
  5. Step 5: Solve for x
    x = 171,175,909.81/17,587.49
  6. Step 6: Final answer
    x = 9,732.82

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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.