Home / 15,826.19-21,829.84-10,151.95

Finding the Fourth Proportional to 15,826.19, 21,829.84 and 10,151.95

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Solution

The fourth proportional to 15,826.19, 21,829.84 and 10,151.95 is: 14,003.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826.19 : 21,829.84 = 10,151.95 : x
  2. Step 2: Convert to fraction form
    15,826.19/21,829.84 = 10,151.95/x
  3. Step 3: Cross multiply
    15,826.19x = 21,829.84 × 10,151.95
  4. Step 4: Simplify right side
    15,826.19x = 221,615,364.23
  5. Step 5: Solve for x
    x = 221,615,364.23/15,826.19
  6. Step 6: Final answer
    x = 14,003.08

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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.