Home / 19,025.75-26,255.63-10,642.25

Finding the Fourth Proportional to 19,025.75, 26,255.63 and 10,642.25

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Solution

The fourth proportional to 19,025.75, 26,255.63 and 10,642.25 is: 14,686.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,025.75 : 26,255.63 = 10,642.25 : x
  2. Step 2: Convert to fraction form
    19,025.75/26,255.63 = 10,642.25/x
  3. Step 3: Cross multiply
    19,025.75x = 26,255.63 × 10,642.25
  4. Step 4: Simplify right side
    19,025.75x = 279,418,978.37
  5. Step 5: Solve for x
    x = 279,418,978.37/19,025.75
  6. Step 6: Final answer
    x = 14,686.36

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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.