Home / 16,854.76-23,261.64-10,143.88

Finding the Fourth Proportional to 16,854.76, 23,261.64 and 10,143.88

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Solution

The fourth proportional to 16,854.76, 23,261.64 and 10,143.88 is: 13,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.76 : 23,261.64 = 10,143.88 : x
  2. Step 2: Convert to fraction form
    16,854.76/23,261.64 = 10,143.88/x
  3. Step 3: Cross multiply
    16,854.76x = 23,261.64 × 10,143.88
  4. Step 4: Simplify right side
    16,854.76x = 235,963,284.76
  5. Step 5: Solve for x
    x = 235,963,284.76/16,854.76
  6. Step 6: Final answer
    x = 13,999.80

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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.