Home / 15,826.98-21,835.10-10,160.22

Finding the Fourth Proportional to 15,826.98, 21,835.10 and 10,160.22

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Solution

The fourth proportional to 15,826.98, 21,835.10 and 10,160.22 is: 14,017.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826.98 : 21,835.10 = 10,160.22 : x
  2. Step 2: Convert to fraction form
    15,826.98/21,835.10 = 10,160.22/x
  3. Step 3: Cross multiply
    15,826.98x = 21,835.10 × 10,160.22
  4. Step 4: Simplify right side
    15,826.98x = 221,849,419.72
  5. Step 5: Solve for x
    x = 221,849,419.72/15,826.98
  6. Step 6: Final answer
    x = 14,017.17

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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.