Home / 13,983.16-19,296.66-7,695.40

Finding the Fourth Proportional to 13,983.16, 19,296.66 and 7,695.40

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Solution

The fourth proportional to 13,983.16, 19,296.66 and 7,695.40 is: 10,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.16 : 19,296.66 = 7,695.40 : x
  2. Step 2: Convert to fraction form
    13,983.16/19,296.66 = 7,695.40/x
  3. Step 3: Cross multiply
    13,983.16x = 19,296.66 × 7,695.40
  4. Step 4: Simplify right side
    13,983.16x = 148,495,517.36
  5. Step 5: Solve for x
    x = 148,495,517.36/13,983.16
  6. Step 6: Final answer
    x = 10,619.60

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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.