Home / 23,478.42-32,401.26-13,407.66

Finding the Fourth Proportional to 23,478.42, 32,401.26 and 13,407.66

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Solution

The fourth proportional to 23,478.42, 32,401.26 and 13,407.66 is: 18,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,478.42 : 32,401.26 = 13,407.66 : x
  2. Step 2: Convert to fraction form
    23,478.42/32,401.26 = 13,407.66/x
  3. Step 3: Cross multiply
    23,478.42x = 32,401.26 × 13,407.66
  4. Step 4: Simplify right side
    23,478.42x = 434,425,077.65
  5. Step 5: Solve for x
    x = 434,425,077.65/23,478.42
  6. Step 6: Final answer
    x = 18,503.16

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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.