Home / 14,253.28-19,670.16-7,966.24

Finding the Fourth Proportional to 14,253.28, 19,670.16 and 7,966.24

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Solution

The fourth proportional to 14,253.28, 19,670.16 and 7,966.24 is: 10,993.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.28 : 19,670.16 = 7,966.24 : x
  2. Step 2: Convert to fraction form
    14,253.28/19,670.16 = 7,966.24/x
  3. Step 3: Cross multiply
    14,253.28x = 19,670.16 × 7,966.24
  4. Step 4: Simplify right side
    14,253.28x = 156,697,215.40
  5. Step 5: Solve for x
    x = 156,697,215.40/14,253.28
  6. Step 6: Final answer
    x = 10,993.77

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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.