Home / 25,176.08-34,742.04-13,998.80

Finding the Fourth Proportional to 25,176.08, 34,742.04 and 13,998.80

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Solution

The fourth proportional to 25,176.08, 34,742.04 and 13,998.80 is: 19,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,176.08 : 34,742.04 = 13,998.80 : x
  2. Step 2: Convert to fraction form
    25,176.08/34,742.04 = 13,998.80/x
  3. Step 3: Cross multiply
    25,176.08x = 34,742.04 × 13,998.80
  4. Step 4: Simplify right side
    25,176.08x = 486,346,869.55
  5. Step 5: Solve for x
    x = 486,346,869.55/25,176.08
  6. Step 6: Final answer
    x = 19,317.82

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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.