Home / 15,348-21,190.41-10,052.22

Finding the Fourth Proportional to 15,348, 21,190.41 and 10,052.22

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Solution

The fourth proportional to 15,348, 21,190.41 and 10,052.22 is: 13,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,348 : 21,190.41 = 10,052.22 : x
  2. Step 2: Convert to fraction form
    15,348/21,190.41 = 10,052.22/x
  3. Step 3: Cross multiply
    15,348x = 21,190.41 × 10,052.22
  4. Step 4: Simplify right side
    15,348x = 213,010,663.21
  5. Step 5: Solve for x
    x = 213,010,663.21/15,348
  6. Step 6: Final answer
    x = 13,878.72

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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.