Home / 21,838-32,594.96-18,823.12

Finding the Fourth Proportional to 21,838, 32,594.96 and 18,823.12

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Solution

The fourth proportional to 21,838, 32,594.96 and 18,823.12 is: 28,095.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,838 : 32,594.96 = 18,823.12 : x
  2. Step 2: Convert to fraction form
    21,838/32,594.96 = 18,823.12/x
  3. Step 3: Cross multiply
    21,838x = 32,594.96 × 18,823.12
  4. Step 4: Simplify right side
    21,838x = 613,538,843.48
  5. Step 5: Solve for x
    x = 613,538,843.48/21,838
  6. Step 6: Final answer
    x = 28,095.01

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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.