Home / 16,619.81-22,935.47-9,066.20

Finding the Fourth Proportional to 16,619.81, 22,935.47 and 9,066.20

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Solution

The fourth proportional to 16,619.81, 22,935.47 and 9,066.20 is: 12,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,619.81 : 22,935.47 = 9,066.20 : x
  2. Step 2: Convert to fraction form
    16,619.81/22,935.47 = 9,066.20/x
  3. Step 3: Cross multiply
    16,619.81x = 22,935.47 × 9,066.20
  4. Step 4: Simplify right side
    16,619.81x = 207,937,398.11
  5. Step 5: Solve for x
    x = 207,937,398.11/16,619.81
  6. Step 6: Final answer
    x = 12,511.42

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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.