Home / 16,712.39-23,063.65-9,158.74

Finding the Fourth Proportional to 16,712.39, 23,063.65 and 9,158.74

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Solution

The fourth proportional to 16,712.39, 23,063.65 and 9,158.74 is: 12,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,712.39 : 23,063.65 = 9,158.74 : x
  2. Step 2: Convert to fraction form
    16,712.39/23,063.65 = 9,158.74/x
  3. Step 3: Cross multiply
    16,712.39x = 23,063.65 × 9,158.74
  4. Step 4: Simplify right side
    16,712.39x = 211,233,858.48
  5. Step 5: Solve for x
    x = 211,233,858.48/16,712.39
  6. Step 6: Final answer
    x = 12,639.36

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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.