Home / 26,340.20-36,346.49-15,585.40

Finding the Fourth Proportional to 26,340.20, 36,346.49 and 15,585.40

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Solution

The fourth proportional to 26,340.20, 36,346.49 and 15,585.40 is: 21,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,340.20 : 36,346.49 = 15,585.40 : x
  2. Step 2: Convert to fraction form
    26,340.20/36,346.49 = 15,585.40/x
  3. Step 3: Cross multiply
    26,340.20x = 36,346.49 × 15,585.40
  4. Step 4: Simplify right side
    26,340.20x = 566,474,585.25
  5. Step 5: Solve for x
    x = 566,474,585.25/26,340.20
  6. Step 6: Final answer
    x = 21,506.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.