Home / 21,752.64-29,972.34-14,666.76

Finding the Fourth Proportional to 21,752.64, 29,972.34 and 14,666.76

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Solution

The fourth proportional to 21,752.64, 29,972.34 and 14,666.76 is: 20,208.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,752.64 : 29,972.34 = 14,666.76 : x
  2. Step 2: Convert to fraction form
    21,752.64/29,972.34 = 14,666.76/x
  3. Step 3: Cross multiply
    21,752.64x = 29,972.34 × 14,666.76
  4. Step 4: Simplify right side
    21,752.64x = 439,597,117.42
  5. Step 5: Solve for x
    x = 439,597,117.42/21,752.64
  6. Step 6: Final answer
    x = 20,208.91

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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.