Home / 25,522.08-35,216.40-15,448.80

Finding the Fourth Proportional to 25,522.08, 35,216.40 and 15,448.80

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Solution

The fourth proportional to 25,522.08, 35,216.40 and 15,448.80 is: 21,316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,522.08 : 35,216.40 = 15,448.80 : x
  2. Step 2: Convert to fraction form
    25,522.08/35,216.40 = 15,448.80/x
  3. Step 3: Cross multiply
    25,522.08x = 35,216.40 × 15,448.80
  4. Step 4: Simplify right side
    25,522.08x = 544,051,120.32
  5. Step 5: Solve for x
    x = 544,051,120.32/25,522.08
  6. Step 6: Final answer
    x = 21,316.88

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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.