Home / 21,903.16-32,854.40-14,865.70

Finding the Fourth Proportional to 21,903.16, 32,854.40 and 14,865.70

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Solution

The fourth proportional to 21,903.16, 32,854.40 and 14,865.70 is: 22,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,903.16 : 32,854.40 = 14,865.70 : x
  2. Step 2: Convert to fraction form
    21,903.16/32,854.40 = 14,865.70/x
  3. Step 3: Cross multiply
    21,903.16x = 32,854.40 × 14,865.70
  4. Step 4: Simplify right side
    21,903.16x = 488,403,654.08
  5. Step 5: Solve for x
    x = 488,403,654.08/21,903.16
  6. Step 6: Final answer
    x = 22,298.32

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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.