Home / 22,483.79-31,027.46-12,412.24

Finding the Fourth Proportional to 22,483.79, 31,027.46 and 12,412.24

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Solution

The fourth proportional to 22,483.79, 31,027.46 and 12,412.24 is: 17,128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,483.79 : 31,027.46 = 12,412.24 : x
  2. Step 2: Convert to fraction form
    22,483.79/31,027.46 = 12,412.24/x
  3. Step 3: Cross multiply
    22,483.79x = 31,027.46 × 12,412.24
  4. Step 4: Simplify right side
    22,483.79x = 385,120,140.48
  5. Step 5: Solve for x
    x = 385,120,140.48/22,483.79
  6. Step 6: Final answer
    x = 17,128.79

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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.