Home / 27,158.16-40,711.98-10,529.04

Finding the Fourth Proportional to 27,158.16, 40,711.98 and 10,529.04

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Solution

The fourth proportional to 27,158.16, 40,711.98 and 10,529.04 is: 15,783.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,158.16 : 40,711.98 = 10,529.04 : x
  2. Step 2: Convert to fraction form
    27,158.16/40,711.98 = 10,529.04/x
  3. Step 3: Cross multiply
    27,158.16x = 40,711.98 × 10,529.04
  4. Step 4: Simplify right side
    27,158.16x = 428,658,065.90
  5. Step 5: Solve for x
    x = 428,658,065.90/27,158.16
  6. Step 6: Final answer
    x = 15,783.77

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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.