Home / 28,622.16-39,512.34-18,017.64

Finding the Fourth Proportional to 28,622.16, 39,512.34 and 18,017.64

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Solution

The fourth proportional to 28,622.16, 39,512.34 and 18,017.64 is: 24,873.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.16 : 39,512.34 = 18,017.64 : x
  2. Step 2: Convert to fraction form
    28,622.16/39,512.34 = 18,017.64/x
  3. Step 3: Cross multiply
    28,622.16x = 39,512.34 × 18,017.64
  4. Step 4: Simplify right side
    28,622.16x = 711,919,117.68
  5. Step 5: Solve for x
    x = 711,919,117.68/28,622.16
  6. Step 6: Final answer
    x = 24,873.00

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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.