Home / 17,587.58-24,270.88-9,521.21

Finding the Fourth Proportional to 17,587.58, 24,270.88 and 9,521.21

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Solution

The fourth proportional to 17,587.58, 24,270.88 and 9,521.21 is: 13,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,587.58 : 24,270.88 = 9,521.21 : x
  2. Step 2: Convert to fraction form
    17,587.58/24,270.88 = 9,521.21/x
  3. Step 3: Cross multiply
    17,587.58x = 24,270.88 × 9,521.21
  4. Step 4: Simplify right side
    17,587.58x = 231,088,182.24
  5. Step 5: Solve for x
    x = 231,088,182.24/17,587.58
  6. Step 6: Final answer
    x = 13,139.28

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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.