Home / 26,269.08-39,420.04-10,686.72

Finding the Fourth Proportional to 26,269.08, 39,420.04 and 10,686.72

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Solution

The fourth proportional to 26,269.08, 39,420.04 and 10,686.72 is: 16,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,269.08 : 39,420.04 = 10,686.72 : x
  2. Step 2: Convert to fraction form
    26,269.08/39,420.04 = 10,686.72/x
  3. Step 3: Cross multiply
    26,269.08x = 39,420.04 × 10,686.72
  4. Step 4: Simplify right side
    26,269.08x = 421,270,929.87
  5. Step 5: Solve for x
    x = 421,270,929.87/26,269.08
  6. Step 6: Final answer
    x = 16,036.76

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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.