Home / 22,300.56-30,749.40-18,254.52

Finding the Fourth Proportional to 22,300.56, 30,749.40 and 18,254.52

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Solution

The fourth proportional to 22,300.56, 30,749.40 and 18,254.52 is: 25,170.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,300.56 : 30,749.40 = 18,254.52 : x
  2. Step 2: Convert to fraction form
    22,300.56/30,749.40 = 18,254.52/x
  3. Step 3: Cross multiply
    22,300.56x = 30,749.40 × 18,254.52
  4. Step 4: Simplify right side
    22,300.56x = 561,315,537.29
  5. Step 5: Solve for x
    x = 561,315,537.29/22,300.56
  6. Step 6: Final answer
    x = 25,170.47

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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.