Home / 23,421.47-32,317.85-13,349.93

Finding the Fourth Proportional to 23,421.47, 32,317.85 and 13,349.93

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Solution

The fourth proportional to 23,421.47, 32,317.85 and 13,349.93 is: 18,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.47 : 32,317.85 = 13,349.93 : x
  2. Step 2: Convert to fraction form
    23,421.47/32,317.85 = 13,349.93/x
  3. Step 3: Cross multiply
    23,421.47x = 32,317.85 × 13,349.93
  4. Step 4: Simplify right side
    23,421.47x = 431,440,907.04
  5. Step 5: Solve for x
    x = 431,440,907.04/23,421.47
  6. Step 6: Final answer
    x = 18,420.75

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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.