Home / 22,283.64-30,749.02-12,722.63

Finding the Fourth Proportional to 22,283.64, 30,749.02 and 12,722.63

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Solution

The fourth proportional to 22,283.64, 30,749.02 and 12,722.63 is: 17,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,283.64 : 30,749.02 = 12,722.63 : x
  2. Step 2: Convert to fraction form
    22,283.64/30,749.02 = 12,722.63/x
  3. Step 3: Cross multiply
    22,283.64x = 30,749.02 × 12,722.63
  4. Step 4: Simplify right side
    22,283.64x = 391,208,218.77
  5. Step 5: Solve for x
    x = 391,208,218.77/22,283.64
  6. Step 6: Final answer
    x = 17,555.85

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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.