Home / 16,886.17-23,312.41-11,228.63

Finding the Fourth Proportional to 16,886.17, 23,312.41 and 11,228.63

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Solution

The fourth proportional to 16,886.17, 23,312.41 and 11,228.63 is: 15,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.17 : 23,312.41 = 11,228.63 : x
  2. Step 2: Convert to fraction form
    16,886.17/23,312.41 = 11,228.63/x
  3. Step 3: Cross multiply
    16,886.17x = 23,312.41 × 11,228.63
  4. Step 4: Simplify right side
    16,886.17x = 261,766,281.66
  5. Step 5: Solve for x
    x = 261,766,281.66/16,886.17
  6. Step 6: Final answer
    x = 15,501.81

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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.