Home / 26,289.60-39,434.40-16,459.20

Finding the Fourth Proportional to 26,289.60, 39,434.40 and 16,459.20

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Solution

The fourth proportional to 26,289.60, 39,434.40 and 16,459.20 is: 24,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,289.60 : 39,434.40 = 16,459.20 : x
  2. Step 2: Convert to fraction form
    26,289.60/39,434.40 = 16,459.20/x
  3. Step 3: Cross multiply
    26,289.60x = 39,434.40 × 16,459.20
  4. Step 4: Simplify right side
    26,289.60x = 649,058,676.48
  5. Step 5: Solve for x
    x = 649,058,676.48/26,289.60
  6. Step 6: Final answer
    x = 24,688.80

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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.