Home / 21,740.12-32,595.02-10,488.68

Finding the Fourth Proportional to 21,740.12, 32,595.02 and 10,488.68

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Solution

The fourth proportional to 21,740.12, 32,595.02 and 10,488.68 is: 15,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740.12 : 32,595.02 = 10,488.68 : x
  2. Step 2: Convert to fraction form
    21,740.12/32,595.02 = 10,488.68/x
  3. Step 3: Cross multiply
    21,740.12x = 32,595.02 × 10,488.68
  4. Step 4: Simplify right side
    21,740.12x = 341,878,734.37
  5. Step 5: Solve for x
    x = 341,878,734.37/21,740.12
  6. Step 6: Final answer
    x = 15,725.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.