Home / 19,955.71-27,524.41-13,570.95

Finding the Fourth Proportional to 19,955.71, 27,524.41 and 13,570.95

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Solution

The fourth proportional to 19,955.71, 27,524.41 and 13,570.95 is: 18,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.71 : 27,524.41 = 13,570.95 : x
  2. Step 2: Convert to fraction form
    19,955.71/27,524.41 = 13,570.95/x
  3. Step 3: Cross multiply
    19,955.71x = 27,524.41 × 13,570.95
  4. Step 4: Simplify right side
    19,955.71x = 373,532,392.85
  5. Step 5: Solve for x
    x = 373,532,392.85/19,955.71
  6. Step 6: Final answer
    x = 18,718.07

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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.