Home / 13,883.11-19,030.18-13,696.22

Finding the Fourth Proportional to 13,883.11, 19,030.18 and 13,696.22

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Solution

The fourth proportional to 13,883.11, 19,030.18 and 13,696.22 is: 18,774.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.11 : 19,030.18 = 13,696.22 : x
  2. Step 2: Convert to fraction form
    13,883.11/19,030.18 = 13,696.22/x
  3. Step 3: Cross multiply
    13,883.11x = 19,030.18 × 13,696.22
  4. Step 4: Simplify right side
    13,883.11x = 260,641,531.92
  5. Step 5: Solve for x
    x = 260,641,531.92/13,883.11
  6. Step 6: Final answer
    x = 18,774.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.