Home / 13,806.48-19,053.16-7,518.84

Finding the Fourth Proportional to 13,806.48, 19,053.16 and 7,518.84

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Solution

The fourth proportional to 13,806.48, 19,053.16 and 7,518.84 is: 10,376.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.48 : 19,053.16 = 7,518.84 : x
  2. Step 2: Convert to fraction form
    13,806.48/19,053.16 = 7,518.84/x
  3. Step 3: Cross multiply
    13,806.48x = 19,053.16 × 7,518.84
  4. Step 4: Simplify right side
    13,806.48x = 143,257,661.53
  5. Step 5: Solve for x
    x = 143,257,661.53/13,806.48
  6. Step 6: Final answer
    x = 10,376.12

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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.