Home / 14,932.49-20,607.28-8,218.26

Finding the Fourth Proportional to 14,932.49, 20,607.28 and 8,218.26

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Solution

The fourth proportional to 14,932.49, 20,607.28 and 8,218.26 is: 11,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,932.49 : 20,607.28 = 8,218.26 : x
  2. Step 2: Convert to fraction form
    14,932.49/20,607.28 = 8,218.26/x
  3. Step 3: Cross multiply
    14,932.49x = 20,607.28 × 8,218.26
  4. Step 4: Simplify right side
    14,932.49x = 169,355,964.39
  5. Step 5: Solve for x
    x = 169,355,964.39/14,932.49
  6. Step 6: Final answer
    x = 11,341.45

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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.