Home / 22,457.52-30,992.40-12,386.07

Finding the Fourth Proportional to 22,457.52, 30,992.40 and 12,386.07

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Solution

The fourth proportional to 22,457.52, 30,992.40 and 12,386.07 is: 17,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,457.52 : 30,992.40 = 12,386.07 : x
  2. Step 2: Convert to fraction form
    22,457.52/30,992.40 = 12,386.07/x
  3. Step 3: Cross multiply
    22,457.52x = 30,992.40 × 12,386.07
  4. Step 4: Simplify right side
    22,457.52x = 383,874,035.87
  5. Step 5: Solve for x
    x = 383,874,035.87/22,457.52
  6. Step 6: Final answer
    x = 17,093.34

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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.