Home / 22,457.04-30,955.44-15,371.16

Finding the Fourth Proportional to 22,457.04, 30,955.44 and 15,371.16

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Solution

The fourth proportional to 22,457.04, 30,955.44 and 15,371.16 is: 21,188.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,457.04 : 30,955.44 = 15,371.16 : x
  2. Step 2: Convert to fraction form
    22,457.04/30,955.44 = 15,371.16/x
  3. Step 3: Cross multiply
    22,457.04x = 30,955.44 × 15,371.16
  4. Step 4: Simplify right side
    22,457.04x = 475,821,021.11
  5. Step 5: Solve for x
    x = 475,821,021.11/22,457.04
  6. Step 6: Final answer
    x = 21,188.06

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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.