Home / 15,490.60-23,228.80-4,958.58

Finding the Fourth Proportional to 15,490.60, 23,228.80 and 4,958.58

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Solution

The fourth proportional to 15,490.60, 23,228.80 and 4,958.58 is: 7,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490.60 : 23,228.80 = 4,958.58 : x
  2. Step 2: Convert to fraction form
    15,490.60/23,228.80 = 4,958.58/x
  3. Step 3: Cross multiply
    15,490.60x = 23,228.80 × 4,958.58
  4. Step 4: Simplify right side
    15,490.60x = 115,181,863.10
  5. Step 5: Solve for x
    x = 115,181,863.10/15,490.60
  6. Step 6: Final answer
    x = 7,435.60

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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.