Home / 23,312.20-32,158.20-13,878.94

Finding the Fourth Proportional to 23,312.20, 32,158.20 and 13,878.94

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Solution

The fourth proportional to 23,312.20, 32,158.20 and 13,878.94 is: 19,145.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,312.20 : 32,158.20 = 13,878.94 : x
  2. Step 2: Convert to fraction form
    23,312.20/32,158.20 = 13,878.94/x
  3. Step 3: Cross multiply
    23,312.20x = 32,158.20 × 13,878.94
  4. Step 4: Simplify right side
    23,312.20x = 446,321,728.31
  5. Step 5: Solve for x
    x = 446,321,728.31/23,312.20
  6. Step 6: Final answer
    x = 19,145.41

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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.