Home / 14,987.18-22,442.44-14,543.75

Finding the Fourth Proportional to 14,987.18, 22,442.44 and 14,543.75

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Solution

The fourth proportional to 14,987.18, 22,442.44 and 14,543.75 is: 21,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.18 : 22,442.44 = 14,543.75 : x
  2. Step 2: Convert to fraction form
    14,987.18/22,442.44 = 14,543.75/x
  3. Step 3: Cross multiply
    14,987.18x = 22,442.44 × 14,543.75
  4. Step 4: Simplify right side
    14,987.18x = 326,397,088.18
  5. Step 5: Solve for x
    x = 326,397,088.18/14,987.18
  6. Step 6: Final answer
    x = 21,778.42

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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.