Home / 23,478.93-32,392.62-13,400.10

Finding the Fourth Proportional to 23,478.93, 32,392.62 and 13,400.10

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Solution

The fourth proportional to 23,478.93, 32,392.62 and 13,400.10 is: 18,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,478.93 : 32,392.62 = 13,400.10 : x
  2. Step 2: Convert to fraction form
    23,478.93/32,392.62 = 13,400.10/x
  3. Step 3: Cross multiply
    23,478.93x = 32,392.62 × 13,400.10
  4. Step 4: Simplify right side
    23,478.93x = 434,064,347.26
  5. Step 5: Solve for x
    x = 434,064,347.26/23,478.93
  6. Step 6: Final answer
    x = 18,487.40

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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.