Home / 19,360.95-26,708.26-12,650.50

Finding the Fourth Proportional to 19,360.95, 26,708.26 and 12,650.50

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Solution

The fourth proportional to 19,360.95, 26,708.26 and 12,650.50 is: 17,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.95 : 26,708.26 = 12,650.50 : x
  2. Step 2: Convert to fraction form
    19,360.95/26,708.26 = 12,650.50/x
  3. Step 3: Cross multiply
    19,360.95x = 26,708.26 × 12,650.50
  4. Step 4: Simplify right side
    19,360.95x = 337,872,843.13
  5. Step 5: Solve for x
    x = 337,872,843.13/19,360.95
  6. Step 6: Final answer
    x = 17,451.25

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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.