Home / 15,295.23-21,109.55-11,059.97

Finding the Fourth Proportional to 15,295.23, 21,109.55 and 11,059.97

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Solution

The fourth proportional to 15,295.23, 21,109.55 and 11,059.97 is: 15,264.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,295.23 : 21,109.55 = 11,059.97 : x
  2. Step 2: Convert to fraction form
    15,295.23/21,109.55 = 11,059.97/x
  3. Step 3: Cross multiply
    15,295.23x = 21,109.55 × 11,059.97
  4. Step 4: Simplify right side
    15,295.23x = 233,470,828.87
  5. Step 5: Solve for x
    x = 233,470,828.87/15,295.23
  6. Step 6: Final answer
    x = 15,264.29

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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.