Home / 26,205.80-39,308.70-17,457.80

Finding the Fourth Proportional to 26,205.80, 39,308.70 and 17,457.80

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Solution

The fourth proportional to 26,205.80, 39,308.70 and 17,457.80 is: 26,186.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,205.80 : 39,308.70 = 17,457.80 : x
  2. Step 2: Convert to fraction form
    26,205.80/39,308.70 = 17,457.80/x
  3. Step 3: Cross multiply
    26,205.80x = 39,308.70 × 17,457.80
  4. Step 4: Simplify right side
    26,205.80x = 686,243,422.86
  5. Step 5: Solve for x
    x = 686,243,422.86/26,205.80
  6. Step 6: Final answer
    x = 26,186.70

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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.