Home / 21,176.16-31,769.48-14,948.37

Finding the Fourth Proportional to 21,176.16, 31,769.48 and 14,948.37

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Solution

The fourth proportional to 21,176.16, 31,769.48 and 14,948.37 is: 22,426.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,176.16 : 31,769.48 = 14,948.37 : x
  2. Step 2: Convert to fraction form
    21,176.16/31,769.48 = 14,948.37/x
  3. Step 3: Cross multiply
    21,176.16x = 31,769.48 × 14,948.37
  4. Step 4: Simplify right side
    21,176.16x = 474,901,941.75
  5. Step 5: Solve for x
    x = 474,901,941.75/21,176.16
  6. Step 6: Final answer
    x = 22,426.25

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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.