Home / 26,529.64-36,616.10-15,206.72

Finding the Fourth Proportional to 26,529.64, 36,616.10 and 15,206.72

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Solution

The fourth proportional to 26,529.64, 36,616.10 and 15,206.72 is: 20,988.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.64 : 36,616.10 = 15,206.72 : x
  2. Step 2: Convert to fraction form
    26,529.64/36,616.10 = 15,206.72/x
  3. Step 3: Cross multiply
    26,529.64x = 36,616.10 × 15,206.72
  4. Step 4: Simplify right side
    26,529.64x = 556,810,704.16
  5. Step 5: Solve for x
    x = 556,810,704.16/26,529.64
  6. Step 6: Final answer
    x = 20,988.25

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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.