Home / 22,598.67-31,186.48-12,390.66

Finding the Fourth Proportional to 22,598.67, 31,186.48 and 12,390.66

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Solution

The fourth proportional to 22,598.67, 31,186.48 and 12,390.66 is: 17,099.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,598.67 : 31,186.48 = 12,390.66 : x
  2. Step 2: Convert to fraction form
    22,598.67/31,186.48 = 12,390.66/x
  3. Step 3: Cross multiply
    22,598.67x = 31,186.48 × 12,390.66
  4. Step 4: Simplify right side
    22,598.67x = 386,421,039.30
  5. Step 5: Solve for x
    x = 386,421,039.30/22,598.67
  6. Step 6: Final answer
    x = 17,099.28

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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.