Home / 23,420.95-32,320.10-13,352.64

Finding the Fourth Proportional to 23,420.95, 32,320.10 and 13,352.64

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Solution

The fourth proportional to 23,420.95, 32,320.10 and 13,352.64 is: 18,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,420.95 : 32,320.10 = 13,352.64 : x
  2. Step 2: Convert to fraction form
    23,420.95/32,320.10 = 13,352.64/x
  3. Step 3: Cross multiply
    23,420.95x = 32,320.10 × 13,352.64
  4. Step 4: Simplify right side
    23,420.95x = 431,558,572.25
  5. Step 5: Solve for x
    x = 431,558,572.25/23,420.95
  6. Step 6: Final answer
    x = 18,426.17

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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.