Home / 18,888.32-26,059.20-14,404.80

Finding the Fourth Proportional to 18,888.32, 26,059.20 and 14,404.80

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Solution

The fourth proportional to 18,888.32, 26,059.20 and 14,404.80 is: 19,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888.32 : 26,059.20 = 14,404.80 : x
  2. Step 2: Convert to fraction form
    18,888.32/26,059.20 = 14,404.80/x
  3. Step 3: Cross multiply
    18,888.32x = 26,059.20 × 14,404.80
  4. Step 4: Simplify right side
    18,888.32x = 375,377,564.16
  5. Step 5: Solve for x
    x = 375,377,564.16/18,888.32
  6. Step 6: Final answer
    x = 19,873.53

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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.