Home / 28,600.74-39,471.21-17,999.46

Finding the Fourth Proportional to 28,600.74, 39,471.21 and 17,999.46

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Solution

The fourth proportional to 28,600.74, 39,471.21 and 17,999.46 is: 24,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,600.74 : 39,471.21 = 17,999.46 : x
  2. Step 2: Convert to fraction form
    28,600.74/39,471.21 = 17,999.46/x
  3. Step 3: Cross multiply
    28,600.74x = 39,471.21 × 17,999.46
  4. Step 4: Simplify right side
    28,600.74x = 710,460,465.55
  5. Step 5: Solve for x
    x = 710,460,465.55/28,600.74
  6. Step 6: Final answer
    x = 24,840.63

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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.