Home / 13,888.13-19,166.02-7,600.91

Finding the Fourth Proportional to 13,888.13, 19,166.02 and 7,600.91

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Solution

The fourth proportional to 13,888.13, 19,166.02 and 7,600.91 is: 10,489.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.13 : 19,166.02 = 7,600.91 : x
  2. Step 2: Convert to fraction form
    13,888.13/19,166.02 = 7,600.91/x
  3. Step 3: Cross multiply
    13,888.13x = 19,166.02 × 7,600.91
  4. Step 4: Simplify right side
    13,888.13x = 145,679,078.25
  5. Step 5: Solve for x
    x = 145,679,078.25/13,888.13
  6. Step 6: Final answer
    x = 10,489.47

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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.