Home / 22,223.64-30,668.95-15,055.75

Finding the Fourth Proportional to 22,223.64, 30,668.95 and 15,055.75

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Solution

The fourth proportional to 22,223.64, 30,668.95 and 15,055.75 is: 20,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,223.64 : 30,668.95 = 15,055.75 : x
  2. Step 2: Convert to fraction form
    22,223.64/30,668.95 = 15,055.75/x
  3. Step 3: Cross multiply
    22,223.64x = 30,668.95 × 15,055.75
  4. Step 4: Simplify right side
    22,223.64x = 461,744,004.93
  5. Step 5: Solve for x
    x = 461,744,004.93/22,223.64
  6. Step 6: Final answer
    x = 20,777.15

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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.