Home / 21,561.36-32,333.61-6,565.23

Finding the Fourth Proportional to 21,561.36, 32,333.61 and 6,565.23

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Solution

The fourth proportional to 21,561.36, 32,333.61 and 6,565.23 is: 9,845.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561.36 : 32,333.61 = 6,565.23 : x
  2. Step 2: Convert to fraction form
    21,561.36/32,333.61 = 6,565.23/x
  3. Step 3: Cross multiply
    21,561.36x = 32,333.61 × 6,565.23
  4. Step 4: Simplify right side
    21,561.36x = 212,277,586.38
  5. Step 5: Solve for x
    x = 212,277,586.38/21,561.36
  6. Step 6: Final answer
    x = 9,845.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.