Home / 20,457.54-28,238.91-17,966.16

Finding the Fourth Proportional to 20,457.54, 28,238.91 and 17,966.16

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Solution

The fourth proportional to 20,457.54, 28,238.91 and 17,966.16 is: 24,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,457.54 : 28,238.91 = 17,966.16 : x
  2. Step 2: Convert to fraction form
    20,457.54/28,238.91 = 17,966.16/x
  3. Step 3: Cross multiply
    20,457.54x = 28,238.91 × 17,966.16
  4. Step 4: Simplify right side
    20,457.54x = 507,344,775.29
  5. Step 5: Solve for x
    x = 507,344,775.29/20,457.54
  6. Step 6: Final answer
    x = 24,799.89

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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.