Home / 23,478.03-32,402.34-13,407.90

Finding the Fourth Proportional to 23,478.03, 32,402.34 and 13,407.90

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Solution

The fourth proportional to 23,478.03, 32,402.34 and 13,407.90 is: 18,504.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,478.03 : 32,402.34 = 13,407.90 : x
  2. Step 2: Convert to fraction form
    23,478.03/32,402.34 = 13,407.90/x
  3. Step 3: Cross multiply
    23,478.03x = 32,402.34 × 13,407.90
  4. Step 4: Simplify right side
    23,478.03x = 434,447,334.49
  5. Step 5: Solve for x
    x = 434,447,334.49/23,478.03
  6. Step 6: Final answer
    x = 18,504.42

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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.