Home / 18,317.04-27,421.50-13,657.52

Finding the Fourth Proportional to 18,317.04, 27,421.50 and 13,657.52

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Solution

The fourth proportional to 18,317.04, 27,421.50 and 13,657.52 is: 20,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.04 : 27,421.50 = 13,657.52 : x
  2. Step 2: Convert to fraction form
    18,317.04/27,421.50 = 13,657.52/x
  3. Step 3: Cross multiply
    18,317.04x = 27,421.50 × 13,657.52
  4. Step 4: Simplify right side
    18,317.04x = 374,509,684.68
  5. Step 5: Solve for x
    x = 374,509,684.68/18,317.04
  6. Step 6: Final answer
    x = 20,445.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.