Home / 21,898.01-30,217.51-14,332.36

Finding the Fourth Proportional to 21,898.01, 30,217.51 and 14,332.36

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Solution

The fourth proportional to 21,898.01, 30,217.51 and 14,332.36 is: 19,777.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,898.01 : 30,217.51 = 14,332.36 : x
  2. Step 2: Convert to fraction form
    21,898.01/30,217.51 = 14,332.36/x
  3. Step 3: Cross multiply
    21,898.01x = 30,217.51 × 14,332.36
  4. Step 4: Simplify right side
    21,898.01x = 433,088,080.54
  5. Step 5: Solve for x
    x = 433,088,080.54/21,898.01
  6. Step 6: Final answer
    x = 19,777.51

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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.