Home / 16,869.63-25,265.08-13,335.91

Finding the Fourth Proportional to 16,869.63, 25,265.08 and 13,335.91

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Solution

The fourth proportional to 16,869.63, 25,265.08 and 13,335.91 is: 19,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.63 : 25,265.08 = 13,335.91 : x
  2. Step 2: Convert to fraction form
    16,869.63/25,265.08 = 13,335.91/x
  3. Step 3: Cross multiply
    16,869.63x = 25,265.08 × 13,335.91
  4. Step 4: Simplify right side
    16,869.63x = 336,932,833.02
  5. Step 5: Solve for x
    x = 336,932,833.02/16,869.63
  6. Step 6: Final answer
    x = 19,972.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.