Home / 15,189.40-22,784.10-11,058.40

Finding the Fourth Proportional to 15,189.40, 22,784.10 and 11,058.40

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Solution

The fourth proportional to 15,189.40, 22,784.10 and 11,058.40 is: 16,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189.40 : 22,784.10 = 11,058.40 : x
  2. Step 2: Convert to fraction form
    15,189.40/22,784.10 = 11,058.40/x
  3. Step 3: Cross multiply
    15,189.40x = 22,784.10 × 11,058.40
  4. Step 4: Simplify right side
    15,189.40x = 251,955,691.44
  5. Step 5: Solve for x
    x = 251,955,691.44/15,189.40
  6. Step 6: Final answer
    x = 16,587.60

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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.