Home / 22,619.34-31,178.70-17,831.52

Finding the Fourth Proportional to 22,619.34, 31,178.70 and 17,831.52

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Solution

The fourth proportional to 22,619.34, 31,178.70 and 17,831.52 is: 24,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,619.34 : 31,178.70 = 17,831.52 : x
  2. Step 2: Convert to fraction form
    22,619.34/31,178.70 = 17,831.52/x
  3. Step 3: Cross multiply
    22,619.34x = 31,178.70 × 17,831.52
  4. Step 4: Simplify right side
    22,619.34x = 555,963,612.62
  5. Step 5: Solve for x
    x = 555,963,612.62/22,619.34
  6. Step 6: Final answer
    x = 24,579.13

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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.