Home / 16,868.12-25,262.82-13,334.40

Finding the Fourth Proportional to 16,868.12, 25,262.82 and 13,334.40

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Solution

The fourth proportional to 16,868.12, 25,262.82 and 13,334.40 is: 19,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.12 : 25,262.82 = 13,334.40 : x
  2. Step 2: Convert to fraction form
    16,868.12/25,262.82 = 13,334.40/x
  3. Step 3: Cross multiply
    16,868.12x = 25,262.82 × 13,334.40
  4. Step 4: Simplify right side
    16,868.12x = 336,864,547.01
  5. Step 5: Solve for x
    x = 336,864,547.01/16,868.12
  6. Step 6: Final answer
    x = 19,970.49

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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.