Home / 23,357.08-32,211-15,385.45

Finding the Fourth Proportional to 23,357.08, 32,211 and 15,385.45

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Solution

The fourth proportional to 23,357.08, 32,211 and 15,385.45 is: 21,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,357.08 : 32,211 = 15,385.45 : x
  2. Step 2: Convert to fraction form
    23,357.08/32,211 = 15,385.45/x
  3. Step 3: Cross multiply
    23,357.08x = 32,211 × 15,385.45
  4. Step 4: Simplify right side
    23,357.08x = 495,580,729.95
  5. Step 5: Solve for x
    x = 495,580,729.95/23,357.08
  6. Step 6: Final answer
    x = 21,217.58

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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.