Home / 14,681.52-20,260.62-7,967.20

Finding the Fourth Proportional to 14,681.52, 20,260.62 and 7,967.20

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Solution

The fourth proportional to 14,681.52, 20,260.62 and 7,967.20 is: 10,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.52 : 20,260.62 = 7,967.20 : x
  2. Step 2: Convert to fraction form
    14,681.52/20,260.62 = 7,967.20/x
  3. Step 3: Cross multiply
    14,681.52x = 20,260.62 × 7,967.20
  4. Step 4: Simplify right side
    14,681.52x = 161,420,411.66
  5. Step 5: Solve for x
    x = 161,420,411.66/14,681.52
  6. Step 6: Final answer
    x = 10,994.80

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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.