Home / 18,570.06-27,854.80-7,476.46

Finding the Fourth Proportional to 18,570.06, 27,854.80 and 7,476.46

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Solution

The fourth proportional to 18,570.06, 27,854.80 and 7,476.46 is: 11,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.06 : 27,854.80 = 7,476.46 : x
  2. Step 2: Convert to fraction form
    18,570.06/27,854.80 = 7,476.46/x
  3. Step 3: Cross multiply
    18,570.06x = 27,854.80 × 7,476.46
  4. Step 4: Simplify right side
    18,570.06x = 208,255,209.68
  5. Step 5: Solve for x
    x = 208,255,209.68/18,570.06
  6. Step 6: Final answer
    x = 11,214.57

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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.