Home / 22,457.48-30,993.08-12,386.84

Finding the Fourth Proportional to 22,457.48, 30,993.08 and 12,386.84

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Solution

The fourth proportional to 22,457.48, 30,993.08 and 12,386.84 is: 17,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,457.48 : 30,993.08 = 12,386.84 : x
  2. Step 2: Convert to fraction form
    22,457.48/30,993.08 = 12,386.84/x
  3. Step 3: Cross multiply
    22,457.48x = 30,993.08 × 12,386.84
  4. Step 4: Simplify right side
    22,457.48x = 383,906,323.07
  5. Step 5: Solve for x
    x = 383,906,323.07/22,457.48
  6. Step 6: Final answer
    x = 17,094.81

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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.