Home / 14,412.01-19,889.13-8,124.25

Finding the Fourth Proportional to 14,412.01, 19,889.13 and 8,124.25

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Solution

The fourth proportional to 14,412.01, 19,889.13 and 8,124.25 is: 11,211.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.01 : 19,889.13 = 8,124.25 : x
  2. Step 2: Convert to fraction form
    14,412.01/19,889.13 = 8,124.25/x
  3. Step 3: Cross multiply
    14,412.01x = 19,889.13 × 8,124.25
  4. Step 4: Simplify right side
    14,412.01x = 161,584,264.40
  5. Step 5: Solve for x
    x = 161,584,264.40/14,412.01
  6. Step 6: Final answer
    x = 11,211.78

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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.