Home / 13,948.56-19,232.10-9,703.08

Finding the Fourth Proportional to 13,948.56, 19,232.10 and 9,703.08

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Solution

The fourth proportional to 13,948.56, 19,232.10 and 9,703.08 is: 13,378.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.56 : 19,232.10 = 9,703.08 : x
  2. Step 2: Convert to fraction form
    13,948.56/19,232.10 = 9,703.08/x
  3. Step 3: Cross multiply
    13,948.56x = 19,232.10 × 9,703.08
  4. Step 4: Simplify right side
    13,948.56x = 186,610,604.87
  5. Step 5: Solve for x
    x = 186,610,604.87/13,948.56
  6. Step 6: Final answer
    x = 13,378.49

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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.