Home / 26,130.56-39,200.16-12,104.60

Finding the Fourth Proportional to 26,130.56, 39,200.16 and 12,104.60

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Solution

The fourth proportional to 26,130.56, 39,200.16 and 12,104.60 is: 18,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,130.56 : 39,200.16 = 12,104.60 : x
  2. Step 2: Convert to fraction form
    26,130.56/39,200.16 = 12,104.60/x
  3. Step 3: Cross multiply
    26,130.56x = 39,200.16 × 12,104.60
  4. Step 4: Simplify right side
    26,130.56x = 474,502,256.74
  5. Step 5: Solve for x
    x = 474,502,256.74/26,130.56
  6. Step 6: Final answer
    x = 18,158.90

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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.