Home / 26,386.60-39,579.90-16,556.20

Finding the Fourth Proportional to 26,386.60, 39,579.90 and 16,556.20

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Solution

The fourth proportional to 26,386.60, 39,579.90 and 16,556.20 is: 24,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,386.60 : 39,579.90 = 16,556.20 : x
  2. Step 2: Convert to fraction form
    26,386.60/39,579.90 = 16,556.20/x
  3. Step 3: Cross multiply
    26,386.60x = 39,579.90 × 16,556.20
  4. Step 4: Simplify right side
    26,386.60x = 655,292,740.38
  5. Step 5: Solve for x
    x = 655,292,740.38/26,386.60
  6. Step 6: Final answer
    x = 24,834.30

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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.