Home / 26,875.60-40,313.40-19,445.20

Finding the Fourth Proportional to 26,875.60, 40,313.40 and 19,445.20

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Solution

The fourth proportional to 26,875.60, 40,313.40 and 19,445.20 is: 29,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,875.60 : 40,313.40 = 19,445.20 : x
  2. Step 2: Convert to fraction form
    26,875.60/40,313.40 = 19,445.20/x
  3. Step 3: Cross multiply
    26,875.60x = 40,313.40 × 19,445.20
  4. Step 4: Simplify right side
    26,875.60x = 783,902,125.68
  5. Step 5: Solve for x
    x = 783,902,125.68/26,875.60
  6. Step 6: Final answer
    x = 29,167.80

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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.