Home / 28,676.34-39,574.17-16,740.18

Finding the Fourth Proportional to 28,676.34, 39,574.17 and 16,740.18

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Solution

The fourth proportional to 28,676.34, 39,574.17 and 16,740.18 is: 23,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.34 : 39,574.17 = 16,740.18 : x
  2. Step 2: Convert to fraction form
    28,676.34/39,574.17 = 16,740.18/x
  3. Step 3: Cross multiply
    28,676.34x = 39,574.17 × 16,740.18
  4. Step 4: Simplify right side
    28,676.34x = 662,478,729.15
  5. Step 5: Solve for x
    x = 662,478,729.15/28,676.34
  6. Step 6: Final answer
    x = 23,101.93

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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.