Home / 26,021.10-35,918.34-15,410.76

Finding the Fourth Proportional to 26,021.10, 35,918.34 and 15,410.76

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Solution

The fourth proportional to 26,021.10, 35,918.34 and 15,410.76 is: 21,272.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,021.10 : 35,918.34 = 15,410.76 : x
  2. Step 2: Convert to fraction form
    26,021.10/35,918.34 = 15,410.76/x
  3. Step 3: Cross multiply
    26,021.10x = 35,918.34 × 15,410.76
  4. Step 4: Simplify right side
    26,021.10x = 553,528,917.34
  5. Step 5: Solve for x
    x = 553,528,917.34/26,021.10
  6. Step 6: Final answer
    x = 21,272.31

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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.