Home / 19,019.24-26,255.35-13,572.51

Finding the Fourth Proportional to 19,019.24, 26,255.35 and 13,572.51

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Solution

The fourth proportional to 19,019.24, 26,255.35 and 13,572.51 is: 18,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.24 : 26,255.35 = 13,572.51 : x
  2. Step 2: Convert to fraction form
    19,019.24/26,255.35 = 13,572.51/x
  3. Step 3: Cross multiply
    19,019.24x = 26,255.35 × 13,572.51
  4. Step 4: Simplify right side
    19,019.24x = 356,351,000.43
  5. Step 5: Solve for x
    x = 356,351,000.43/19,019.24
  6. Step 6: Final answer
    x = 18,736.34

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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.