Home / 15,417.06-21,278.87-10,046.22

Finding the Fourth Proportional to 15,417.06, 21,278.87 and 10,046.22

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Solution

The fourth proportional to 15,417.06, 21,278.87 and 10,046.22 is: 13,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,417.06 : 21,278.87 = 10,046.22 : x
  2. Step 2: Convert to fraction form
    15,417.06/21,278.87 = 10,046.22/x
  3. Step 3: Cross multiply
    15,417.06x = 21,278.87 × 10,046.22
  4. Step 4: Simplify right side
    15,417.06x = 213,772,209.37
  5. Step 5: Solve for x
    x = 213,772,209.37/15,417.06
  6. Step 6: Final answer
    x = 13,865.95

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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.