Home / 23,720.24-32,729.28-14,289.32

Finding the Fourth Proportional to 23,720.24, 32,729.28 and 14,289.32

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Solution

The fourth proportional to 23,720.24, 32,729.28 and 14,289.32 is: 19,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,720.24 : 32,729.28 = 14,289.32 : x
  2. Step 2: Convert to fraction form
    23,720.24/32,729.28 = 14,289.32/x
  3. Step 3: Cross multiply
    23,720.24x = 32,729.28 × 14,289.32
  4. Step 4: Simplify right side
    23,720.24x = 467,679,155.29
  5. Step 5: Solve for x
    x = 467,679,155.29/23,720.24
  6. Step 6: Final answer
    x = 19,716.46

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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.