Home / 25,689.04-35,452.52-15,074.80

Finding the Fourth Proportional to 25,689.04, 35,452.52 and 15,074.80

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Solution

The fourth proportional to 25,689.04, 35,452.52 and 15,074.80 is: 20,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689.04 : 35,452.52 = 15,074.80 : x
  2. Step 2: Convert to fraction form
    25,689.04/35,452.52 = 15,074.80/x
  3. Step 3: Cross multiply
    25,689.04x = 35,452.52 × 15,074.80
  4. Step 4: Simplify right side
    25,689.04x = 534,439,648.50
  5. Step 5: Solve for x
    x = 534,439,648.50/25,689.04
  6. Step 6: Final answer
    x = 20,804.19

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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.