Home / 23,750.64-32,775.36-13,140.72

Finding the Fourth Proportional to 23,750.64, 32,775.36 and 13,140.72

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Solution

The fourth proportional to 23,750.64, 32,775.36 and 13,140.72 is: 18,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,750.64 : 32,775.36 = 13,140.72 : x
  2. Step 2: Convert to fraction form
    23,750.64/32,775.36 = 13,140.72/x
  3. Step 3: Cross multiply
    23,750.64x = 32,775.36 × 13,140.72
  4. Step 4: Simplify right side
    23,750.64x = 430,691,828.66
  5. Step 5: Solve for x
    x = 430,691,828.66/23,750.64
  6. Step 6: Final answer
    x = 18,133.90

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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.