Home / 26,875.60-40,294.20-12,072.40

Finding the Fourth Proportional to 26,875.60, 40,294.20 and 12,072.40

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Solution

The fourth proportional to 26,875.60, 40,294.20 and 12,072.40 is: 18,099.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,875.60 : 40,294.20 = 12,072.40 : x
  2. Step 2: Convert to fraction form
    26,875.60/40,294.20 = 12,072.40/x
  3. Step 3: Cross multiply
    26,875.60x = 40,294.20 × 12,072.40
  4. Step 4: Simplify right side
    26,875.60x = 486,447,700.08
  5. Step 5: Solve for x
    x = 486,447,700.08/26,875.60
  6. Step 6: Final answer
    x = 18,099.98

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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.