Home / 23,421.34-32,319.84-13,349.53

Finding the Fourth Proportional to 23,421.34, 32,319.84 and 13,349.53

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Solution

The fourth proportional to 23,421.34, 32,319.84 and 13,349.53 is: 18,421.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.34 : 32,319.84 = 13,349.53 : x
  2. Step 2: Convert to fraction form
    23,421.34/32,319.84 = 13,349.53/x
  3. Step 3: Cross multiply
    23,421.34x = 32,319.84 × 13,349.53
  4. Step 4: Simplify right side
    23,421.34x = 431,454,673.68
  5. Step 5: Solve for x
    x = 431,454,673.68/23,421.34
  6. Step 6: Final answer
    x = 18,421.43

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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.