Home / 13,466.83-20,281.28-11,926.21

Finding the Fourth Proportional to 13,466.83, 20,281.28 and 11,926.21

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Solution

The fourth proportional to 13,466.83, 20,281.28 and 11,926.21 is: 17,961.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.83 : 20,281.28 = 11,926.21 : x
  2. Step 2: Convert to fraction form
    13,466.83/20,281.28 = 11,926.21/x
  3. Step 3: Cross multiply
    13,466.83x = 20,281.28 × 11,926.21
  4. Step 4: Simplify right side
    13,466.83x = 241,878,774.53
  5. Step 5: Solve for x
    x = 241,878,774.53/13,466.83
  6. Step 6: Final answer
    x = 17,961.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.