Home / 26,109.72-36,029.34-15,501.96

Finding the Fourth Proportional to 26,109.72, 36,029.34 and 15,501.96

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Solution

The fourth proportional to 26,109.72, 36,029.34 and 15,501.96 is: 21,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.72 : 36,029.34 = 15,501.96 : x
  2. Step 2: Convert to fraction form
    26,109.72/36,029.34 = 15,501.96/x
  3. Step 3: Cross multiply
    26,109.72x = 36,029.34 × 15,501.96
  4. Step 4: Simplify right side
    26,109.72x = 558,525,387.51
  5. Step 5: Solve for x
    x = 558,525,387.51/26,109.72
  6. Step 6: Final answer
    x = 21,391.47

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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.