Home / 14,254.10-19,670.69-7,966.47

Finding the Fourth Proportional to 14,254.10, 19,670.69 and 7,966.47

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Solution

The fourth proportional to 14,254.10, 19,670.69 and 7,966.47 is: 10,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.10 : 19,670.69 = 7,966.47 : x
  2. Step 2: Convert to fraction form
    14,254.10/19,670.69 = 7,966.47/x
  3. Step 3: Cross multiply
    14,254.10x = 19,670.69 × 7,966.47
  4. Step 4: Simplify right side
    14,254.10x = 156,705,921.93
  5. Step 5: Solve for x
    x = 156,705,921.93/14,254.10
  6. Step 6: Final answer
    x = 10,993.75

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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.