Home / 26,605.72-39,908.96-12,751.48

Finding the Fourth Proportional to 26,605.72, 39,908.96 and 12,751.48

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Solution

The fourth proportional to 26,605.72, 39,908.96 and 12,751.48 is: 19,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605.72 : 39,908.96 = 12,751.48 : x
  2. Step 2: Convert to fraction form
    26,605.72/39,908.96 = 12,751.48/x
  3. Step 3: Cross multiply
    26,605.72x = 39,908.96 × 12,751.48
  4. Step 4: Simplify right side
    26,605.72x = 508,898,305.26
  5. Step 5: Solve for x
    x = 508,898,305.26/26,605.72
  6. Step 6: Final answer
    x = 19,127.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.