Home / 16,868.16-23,298.74-12,638.13

Finding the Fourth Proportional to 16,868.16, 23,298.74 and 12,638.13

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Solution

The fourth proportional to 16,868.16, 23,298.74 and 12,638.13 is: 17,456.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.16 : 23,298.74 = 12,638.13 : x
  2. Step 2: Convert to fraction form
    16,868.16/23,298.74 = 12,638.13/x
  3. Step 3: Cross multiply
    16,868.16x = 23,298.74 × 12,638.13
  4. Step 4: Simplify right side
    16,868.16x = 294,452,441.77
  5. Step 5: Solve for x
    x = 294,452,441.77/16,868.16
  6. Step 6: Final answer
    x = 17,456.11

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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.