Home / 22,457.36-33,671.64-9,318.80

Finding the Fourth Proportional to 22,457.36, 33,671.64 and 9,318.80

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Solution

The fourth proportional to 22,457.36, 33,671.64 and 9,318.80 is: 13,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,457.36 : 33,671.64 = 9,318.80 : x
  2. Step 2: Convert to fraction form
    22,457.36/33,671.64 = 9,318.80/x
  3. Step 3: Cross multiply
    22,457.36x = 33,671.64 × 9,318.80
  4. Step 4: Simplify right side
    22,457.36x = 313,779,278.83
  5. Step 5: Solve for x
    x = 313,779,278.83/22,457.36
  6. Step 6: Final answer
    x = 13,972.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.