Home / 22,140.56-33,064.08-19,457.84

Finding the Fourth Proportional to 22,140.56, 33,064.08 and 19,457.84

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Solution

The fourth proportional to 22,140.56, 33,064.08 and 19,457.84 is: 29,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.56 : 33,064.08 = 19,457.84 : x
  2. Step 2: Convert to fraction form
    22,140.56/33,064.08 = 19,457.84/x
  3. Step 3: Cross multiply
    22,140.56x = 33,064.08 × 19,457.84
  4. Step 4: Simplify right side
    22,140.56x = 643,355,315.78
  5. Step 5: Solve for x
    x = 643,355,315.78/22,140.56
  6. Step 6: Final answer
    x = 29,057.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.