Home / 15,376.24-21,222.30-10,069.12

Finding the Fourth Proportional to 15,376.24, 21,222.30 and 10,069.12

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Solution

The fourth proportional to 15,376.24, 21,222.30 and 10,069.12 is: 13,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376.24 : 21,222.30 = 10,069.12 : x
  2. Step 2: Convert to fraction form
    15,376.24/21,222.30 = 10,069.12/x
  3. Step 3: Cross multiply
    15,376.24x = 21,222.30 × 10,069.12
  4. Step 4: Simplify right side
    15,376.24x = 213,689,885.38
  5. Step 5: Solve for x
    x = 213,689,885.38/15,376.24
  6. Step 6: Final answer
    x = 13,897.41

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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.