Home / 20,714.10-28,602.33-16,886.35

Finding the Fourth Proportional to 20,714.10, 28,602.33 and 16,886.35

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Solution

The fourth proportional to 20,714.10, 28,602.33 and 16,886.35 is: 23,316.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714.10 : 28,602.33 = 16,886.35 : x
  2. Step 2: Convert to fraction form
    20,714.10/28,602.33 = 16,886.35/x
  3. Step 3: Cross multiply
    20,714.10x = 28,602.33 × 16,886.35
  4. Step 4: Simplify right side
    20,714.10x = 482,988,955.20
  5. Step 5: Solve for x
    x = 482,988,955.20/20,714.10
  6. Step 6: Final answer
    x = 23,316.92

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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.