Home / 13,818.15-19,053.99-9,334.12

Finding the Fourth Proportional to 13,818.15, 19,053.99 and 9,334.12

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Solution

The fourth proportional to 13,818.15, 19,053.99 and 9,334.12 is: 12,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.15 : 19,053.99 = 9,334.12 : x
  2. Step 2: Convert to fraction form
    13,818.15/19,053.99 = 9,334.12/x
  3. Step 3: Cross multiply
    13,818.15x = 19,053.99 × 9,334.12
  4. Step 4: Simplify right side
    13,818.15x = 177,852,181.50
  5. Step 5: Solve for x
    x = 177,852,181.50/13,818.15
  6. Step 6: Final answer
    x = 12,870.91

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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.