Home / 22,106.81-30,508.98-12,417.05

Finding the Fourth Proportional to 22,106.81, 30,508.98 and 12,417.05

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Solution

The fourth proportional to 22,106.81, 30,508.98 and 12,417.05 is: 17,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,106.81 : 30,508.98 = 12,417.05 : x
  2. Step 2: Convert to fraction form
    22,106.81/30,508.98 = 12,417.05/x
  3. Step 3: Cross multiply
    22,106.81x = 30,508.98 × 12,417.05
  4. Step 4: Simplify right side
    22,106.81x = 378,831,530.11
  5. Step 5: Solve for x
    x = 378,831,530.11/22,106.81
  6. Step 6: Final answer
    x = 17,136.42

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Double scale
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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.