Home / 14,681.80-20,260.90-7,967.44

Finding the Fourth Proportional to 14,681.80, 20,260.90 and 7,967.44

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Solution

The fourth proportional to 14,681.80, 20,260.90 and 7,967.44 is: 10,995.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.80 : 20,260.90 = 7,967.44 : x
  2. Step 2: Convert to fraction form
    14,681.80/20,260.90 = 7,967.44/x
  3. Step 3: Cross multiply
    14,681.80x = 20,260.90 × 7,967.44
  4. Step 4: Simplify right side
    14,681.80x = 161,427,505.10
  5. Step 5: Solve for x
    x = 161,427,505.10/14,681.80
  6. Step 6: Final answer
    x = 10,995.08

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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.