Home / 17,852.40-26,746.20-10,918.80

Finding the Fourth Proportional to 17,852.40, 26,746.20 and 10,918.80

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Solution

The fourth proportional to 17,852.40, 26,746.20 and 10,918.80 is: 16,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,852.40 : 26,746.20 = 10,918.80 : x
  2. Step 2: Convert to fraction form
    17,852.40/26,746.20 = 10,918.80/x
  3. Step 3: Cross multiply
    17,852.40x = 26,746.20 × 10,918.80
  4. Step 4: Simplify right side
    17,852.40x = 292,036,408.56
  5. Step 5: Solve for x
    x = 292,036,408.56/17,852.40
  6. Step 6: Final answer
    x = 16,358.38

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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.