Home / 18,308.25-25,240.95-14,543.91

Finding the Fourth Proportional to 18,308.25, 25,240.95 and 14,543.91

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Solution

The fourth proportional to 18,308.25, 25,240.95 and 14,543.91 is: 20,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.25 : 25,240.95 = 14,543.91 : x
  2. Step 2: Convert to fraction form
    18,308.25/25,240.95 = 14,543.91/x
  3. Step 3: Cross multiply
    18,308.25x = 25,240.95 × 14,543.91
  4. Step 4: Simplify right side
    18,308.25x = 367,102,105.11
  5. Step 5: Solve for x
    x = 367,102,105.11/18,308.25
  6. Step 6: Final answer
    x = 20,051.18

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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.