Home / 19,215.56-28,632.32-17,119.46

Finding the Fourth Proportional to 19,215.56, 28,632.32 and 17,119.46

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Solution

The fourth proportional to 19,215.56, 28,632.32 and 17,119.46 is: 25,509.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.56 : 28,632.32 = 17,119.46 : x
  2. Step 2: Convert to fraction form
    19,215.56/28,632.32 = 17,119.46/x
  3. Step 3: Cross multiply
    19,215.56x = 28,632.32 × 17,119.46
  4. Step 4: Simplify right side
    19,215.56x = 490,169,856.95
  5. Step 5: Solve for x
    x = 490,169,856.95/19,215.56
  6. Step 6: Final answer
    x = 25,509.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.