Home / 26,407.32-39,606.72-9,775.18

Finding the Fourth Proportional to 26,407.32, 39,606.72 and 9,775.18

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Solution

The fourth proportional to 26,407.32, 39,606.72 and 9,775.18 is: 14,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,407.32 : 39,606.72 = 9,775.18 : x
  2. Step 2: Convert to fraction form
    26,407.32/39,606.72 = 9,775.18/x
  3. Step 3: Cross multiply
    26,407.32x = 39,606.72 × 9,775.18
  4. Step 4: Simplify right side
    26,407.32x = 387,162,885.05
  5. Step 5: Solve for x
    x = 387,162,885.05/26,407.32
  6. Step 6: Final answer
    x = 14,661.20

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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.