Home / 18,759.42-25,897.40-14,500.86

Finding the Fourth Proportional to 18,759.42, 25,897.40 and 14,500.86

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Solution

The fourth proportional to 18,759.42, 25,897.40 and 14,500.86 is: 20,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759.42 : 25,897.40 = 14,500.86 : x
  2. Step 2: Convert to fraction form
    18,759.42/25,897.40 = 14,500.86/x
  3. Step 3: Cross multiply
    18,759.42x = 25,897.40 × 14,500.86
  4. Step 4: Simplify right side
    18,759.42x = 375,534,499.26
  5. Step 5: Solve for x
    x = 375,534,499.26/18,759.42
  6. Step 6: Final answer
    x = 20,018.45

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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.