Home / 17,895.16-24,718.56-13,620.25

Finding the Fourth Proportional to 17,895.16, 24,718.56 and 13,620.25

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Solution

The fourth proportional to 17,895.16, 24,718.56 and 13,620.25 is: 18,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,895.16 : 24,718.56 = 13,620.25 : x
  2. Step 2: Convert to fraction form
    17,895.16/24,718.56 = 13,620.25/x
  3. Step 3: Cross multiply
    17,895.16x = 24,718.56 × 13,620.25
  4. Step 4: Simplify right side
    17,895.16x = 336,672,966.84
  5. Step 5: Solve for x
    x = 336,672,966.84/17,895.16
  6. Step 6: Final answer
    x = 18,813.63

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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.