Home / 22,136.36-30,547.82-12,065.20

Finding the Fourth Proportional to 22,136.36, 30,547.82 and 12,065.20

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Solution

The fourth proportional to 22,136.36, 30,547.82 and 12,065.20 is: 16,649.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136.36 : 30,547.82 = 12,065.20 : x
  2. Step 2: Convert to fraction form
    22,136.36/30,547.82 = 12,065.20/x
  3. Step 3: Cross multiply
    22,136.36x = 30,547.82 × 12,065.20
  4. Step 4: Simplify right side
    22,136.36x = 368,565,557.86
  5. Step 5: Solve for x
    x = 368,565,557.86/22,136.36
  6. Step 6: Final answer
    x = 16,649.78

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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.