Home / 22,509.09-31,066.34-13,083.12

Finding the Fourth Proportional to 22,509.09, 31,066.34 and 13,083.12

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Solution

The fourth proportional to 22,509.09, 31,066.34 and 13,083.12 is: 18,056.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,509.09 : 31,066.34 = 13,083.12 : x
  2. Step 2: Convert to fraction form
    22,509.09/31,066.34 = 13,083.12/x
  3. Step 3: Cross multiply
    22,509.09x = 31,066.34 × 13,083.12
  4. Step 4: Simplify right side
    22,509.09x = 406,444,588.77
  5. Step 5: Solve for x
    x = 406,444,588.77/22,509.09
  6. Step 6: Final answer
    x = 18,056.91

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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.