Home / 22,207.21-30,646.35-12,136.07

Finding the Fourth Proportional to 22,207.21, 30,646.35 and 12,136.07

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Solution

The fourth proportional to 22,207.21, 30,646.35 and 12,136.07 is: 16,748.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.21 : 30,646.35 = 12,136.07 : x
  2. Step 2: Convert to fraction form
    22,207.21/30,646.35 = 12,136.07/x
  3. Step 3: Cross multiply
    22,207.21x = 30,646.35 × 12,136.07
  4. Step 4: Simplify right side
    22,207.21x = 371,926,325.46
  5. Step 5: Solve for x
    x = 371,926,325.46/22,207.21
  6. Step 6: Final answer
    x = 16,748.00

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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.