Home / 19,158.50-26,440.36-10,776.62

Finding the Fourth Proportional to 19,158.50, 26,440.36 and 10,776.62

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Solution

The fourth proportional to 19,158.50, 26,440.36 and 10,776.62 is: 14,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.50 : 26,440.36 = 10,776.62 : x
  2. Step 2: Convert to fraction form
    19,158.50/26,440.36 = 10,776.62/x
  3. Step 3: Cross multiply
    19,158.50x = 26,440.36 × 10,776.62
  4. Step 4: Simplify right side
    19,158.50x = 284,937,712.38
  5. Step 5: Solve for x
    x = 284,937,712.38/19,158.50
  6. Step 6: Final answer
    x = 14,872.65

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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.