Home / 19,215.44-28,824.05-5,887.48

Finding the Fourth Proportional to 19,215.44, 28,824.05 and 5,887.48

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Solution

The fourth proportional to 19,215.44, 28,824.05 and 5,887.48 is: 8,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.44 : 28,824.05 = 5,887.48 : x
  2. Step 2: Convert to fraction form
    19,215.44/28,824.05 = 5,887.48/x
  3. Step 3: Cross multiply
    19,215.44x = 28,824.05 × 5,887.48
  4. Step 4: Simplify right side
    19,215.44x = 169,700,988.46
  5. Step 5: Solve for x
    x = 169,700,988.46/19,215.44
  6. Step 6: Final answer
    x = 8,831.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.