Home / 23,349.80-32,201.10-15,378.20

Finding the Fourth Proportional to 23,349.80, 32,201.10 and 15,378.20

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Solution

The fourth proportional to 23,349.80, 32,201.10 and 15,378.20 is: 21,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,349.80 : 32,201.10 = 15,378.20 : x
  2. Step 2: Convert to fraction form
    23,349.80/32,201.10 = 15,378.20/x
  3. Step 3: Cross multiply
    23,349.80x = 32,201.10 × 15,378.20
  4. Step 4: Simplify right side
    23,349.80x = 495,194,956.02
  5. Step 5: Solve for x
    x = 495,194,956.02/23,349.80
  6. Step 6: Final answer
    x = 21,207.67

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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.