Home / 13,101.47-18,045.59-10,070.79

Finding the Fourth Proportional to 13,101.47, 18,045.59 and 10,070.79

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Solution

The fourth proportional to 13,101.47, 18,045.59 and 10,070.79 is: 13,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.47 : 18,045.59 = 10,070.79 : x
  2. Step 2: Convert to fraction form
    13,101.47/18,045.59 = 10,070.79/x
  3. Step 3: Cross multiply
    13,101.47x = 18,045.59 × 10,070.79
  4. Step 4: Simplify right side
    13,101.47x = 181,733,296.96
  5. Step 5: Solve for x
    x = 181,733,296.96/13,101.47
  6. Step 6: Final answer
    x = 13,871.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.