Home / 26,875.35-40,313.12-8,155.55

Finding the Fourth Proportional to 26,875.35, 40,313.12 and 8,155.55

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Solution

The fourth proportional to 26,875.35, 40,313.12 and 8,155.55 is: 12,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,875.35 : 40,313.12 = 8,155.55 : x
  2. Step 2: Convert to fraction form
    26,875.35/40,313.12 = 8,155.55/x
  3. Step 3: Cross multiply
    26,875.35x = 40,313.12 × 8,155.55
  4. Step 4: Simplify right side
    26,875.35x = 328,775,665.82
  5. Step 5: Solve for x
    x = 328,775,665.82/26,875.35
  6. Step 6: Final answer
    x = 12,233.35

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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.