Home / 26,158.50-39,255.03-12,308.58

Finding the Fourth Proportional to 26,158.50, 39,255.03 and 12,308.58

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Solution

The fourth proportional to 26,158.50, 39,255.03 and 12,308.58 is: 18,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,158.50 : 39,255.03 = 12,308.58 : x
  2. Step 2: Convert to fraction form
    26,158.50/39,255.03 = 12,308.58/x
  3. Step 3: Cross multiply
    26,158.50x = 39,255.03 × 12,308.58
  4. Step 4: Simplify right side
    26,158.50x = 483,173,677.16
  5. Step 5: Solve for x
    x = 483,173,677.16/26,158.50
  6. Step 6: Final answer
    x = 18,471.00

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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.