Home / 23,415.16-32,312.61-13,344.19

Finding the Fourth Proportional to 23,415.16, 32,312.61 and 13,344.19

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Solution

The fourth proportional to 23,415.16, 32,312.61 and 13,344.19 is: 18,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,415.16 : 32,312.61 = 13,344.19 : x
  2. Step 2: Convert to fraction form
    23,415.16/32,312.61 = 13,344.19/x
  3. Step 3: Cross multiply
    23,415.16x = 32,312.61 × 13,344.19
  4. Step 4: Simplify right side
    23,415.16x = 431,185,607.24
  5. Step 5: Solve for x
    x = 431,185,607.24/23,415.16
  6. Step 6: Final answer
    x = 18,414.81

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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.