Home / 23,420.76-32,314.14-13,985.88

Finding the Fourth Proportional to 23,420.76, 32,314.14 and 13,985.88

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Solution

The fourth proportional to 23,420.76, 32,314.14 and 13,985.88 is: 19,296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,420.76 : 32,314.14 = 13,985.88 : x
  2. Step 2: Convert to fraction form
    23,420.76/32,314.14 = 13,985.88/x
  3. Step 3: Cross multiply
    23,420.76x = 32,314.14 × 13,985.88
  4. Step 4: Simplify right side
    23,420.76x = 451,941,684.34
  5. Step 5: Solve for x
    x = 451,941,684.34/23,420.76
  6. Step 6: Final answer
    x = 19,296.63

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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.