Home / 19,622.43-29,434.08-4,831.49

Finding the Fourth Proportional to 19,622.43, 29,434.08 and 4,831.49

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Solution

The fourth proportional to 19,622.43, 29,434.08 and 4,831.49 is: 7,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.43 : 29,434.08 = 4,831.49 : x
  2. Step 2: Convert to fraction form
    19,622.43/29,434.08 = 4,831.49/x
  3. Step 3: Cross multiply
    19,622.43x = 29,434.08 × 4,831.49
  4. Step 4: Simplify right side
    19,622.43x = 142,210,463.18
  5. Step 5: Solve for x
    x = 142,210,463.18/19,622.43
  6. Step 6: Final answer
    x = 7,247.34

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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.