Home / 15,810.73-21,826.43-10,153.92

Finding the Fourth Proportional to 15,810.73, 21,826.43 and 10,153.92

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Solution

The fourth proportional to 15,810.73, 21,826.43 and 10,153.92 is: 14,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.73 : 21,826.43 = 10,153.92 : x
  2. Step 2: Convert to fraction form
    15,810.73/21,826.43 = 10,153.92/x
  3. Step 3: Cross multiply
    15,810.73x = 21,826.43 × 10,153.92
  4. Step 4: Simplify right side
    15,810.73x = 221,623,824.11
  5. Step 5: Solve for x
    x = 221,623,824.11/15,810.73
  6. Step 6: Final answer
    x = 14,017.30

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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.