Home / 22,335.14-33,333.09-21,430.98

Finding the Fourth Proportional to 22,335.14, 33,333.09 and 21,430.98

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Solution

The fourth proportional to 22,335.14, 33,333.09 and 21,430.98 is: 31,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,335.14 : 33,333.09 = 21,430.98 : x
  2. Step 2: Convert to fraction form
    22,335.14/33,333.09 = 21,430.98/x
  3. Step 3: Cross multiply
    22,335.14x = 33,333.09 × 21,430.98
  4. Step 4: Simplify right side
    22,335.14x = 714,360,704.76
  5. Step 5: Solve for x
    x = 714,360,704.76/22,335.14
  6. Step 6: Final answer
    x = 31,983.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.