Home / 19,165.53-26,445.59-11,507.19

Finding the Fourth Proportional to 19,165.53, 26,445.59 and 11,507.19

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Solution

The fourth proportional to 19,165.53, 26,445.59 and 11,507.19 is: 15,878.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.53 : 26,445.59 = 11,507.19 : x
  2. Step 2: Convert to fraction form
    19,165.53/26,445.59 = 11,507.19/x
  3. Step 3: Cross multiply
    19,165.53x = 26,445.59 × 11,507.19
  4. Step 4: Simplify right side
    19,165.53x = 304,314,310.95
  5. Step 5: Solve for x
    x = 304,314,310.95/19,165.53
  6. Step 6: Final answer
    x = 15,878.21

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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.