Home / 14,435.19-19,921.46-8,061.80

Finding the Fourth Proportional to 14,435.19, 19,921.46 and 8,061.80

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Solution

The fourth proportional to 14,435.19, 19,921.46 and 8,061.80 is: 11,125.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.19 : 19,921.46 = 8,061.80 : x
  2. Step 2: Convert to fraction form
    14,435.19/19,921.46 = 8,061.80/x
  3. Step 3: Cross multiply
    14,435.19x = 19,921.46 × 8,061.80
  4. Step 4: Simplify right side
    14,435.19x = 160,602,686.31
  5. Step 5: Solve for x
    x = 160,602,686.31/14,435.19
  6. Step 6: Final answer
    x = 11,125.78

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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.