Home / 15,299.10-21,103.95-11,045.46

Finding the Fourth Proportional to 15,299.10, 21,103.95 and 11,045.46

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Solution

The fourth proportional to 15,299.10, 21,103.95 and 11,045.46 is: 15,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299.10 : 21,103.95 = 11,045.46 : x
  2. Step 2: Convert to fraction form
    15,299.10/21,103.95 = 11,045.46/x
  3. Step 3: Cross multiply
    15,299.10x = 21,103.95 × 11,045.46
  4. Step 4: Simplify right side
    15,299.10x = 233,102,835.57
  5. Step 5: Solve for x
    x = 233,102,835.57/15,299.10
  6. Step 6: Final answer
    x = 15,236.38

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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.