Home / 19,360.57-26,707.75-12,650.13

Finding the Fourth Proportional to 19,360.57, 26,707.75 and 12,650.13

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Solution

The fourth proportional to 19,360.57, 26,707.75 and 12,650.13 is: 17,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.57 : 26,707.75 = 12,650.13 : x
  2. Step 2: Convert to fraction form
    19,360.57/26,707.75 = 12,650.13/x
  3. Step 3: Cross multiply
    19,360.57x = 26,707.75 × 12,650.13
  4. Step 4: Simplify right side
    19,360.57x = 337,856,509.51
  5. Step 5: Solve for x
    x = 337,856,509.51/19,360.57
  6. Step 6: Final answer
    x = 17,450.75

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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.