Home / 22,132.99-30,513.63-21,445.03

Finding the Fourth Proportional to 22,132.99, 30,513.63 and 21,445.03

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Solution

The fourth proportional to 22,132.99, 30,513.63 and 21,445.03 is: 29,565.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,132.99 : 30,513.63 = 21,445.03 : x
  2. Step 2: Convert to fraction form
    22,132.99/30,513.63 = 21,445.03/x
  3. Step 3: Cross multiply
    22,132.99x = 30,513.63 × 21,445.03
  4. Step 4: Simplify right side
    22,132.99x = 654,365,710.76
  5. Step 5: Solve for x
    x = 654,365,710.76/22,132.99
  6. Step 6: Final answer
    x = 29,565.17

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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.