Home / 23,175.60-34,763.40-8,386.80

Finding the Fourth Proportional to 23,175.60, 34,763.40 and 8,386.80

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Solution

The fourth proportional to 23,175.60, 34,763.40 and 8,386.80 is: 12,580.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,175.60 : 34,763.40 = 8,386.80 : x
  2. Step 2: Convert to fraction form
    23,175.60/34,763.40 = 8,386.80/x
  3. Step 3: Cross multiply
    23,175.60x = 34,763.40 × 8,386.80
  4. Step 4: Simplify right side
    23,175.60x = 291,553,683.12
  5. Step 5: Solve for x
    x = 291,553,683.12/23,175.60
  6. Step 6: Final answer
    x = 12,580.20

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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.