Home / 26,020.64-35,917.80-15,410.36

Finding the Fourth Proportional to 26,020.64, 35,917.80 and 15,410.36

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Solution

The fourth proportional to 26,020.64, 35,917.80 and 15,410.36 is: 21,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,020.64 : 35,917.80 = 15,410.36 : x
  2. Step 2: Convert to fraction form
    26,020.64/35,917.80 = 15,410.36/x
  3. Step 3: Cross multiply
    26,020.64x = 35,917.80 × 15,410.36
  4. Step 4: Simplify right side
    26,020.64x = 553,506,228.41
  5. Step 5: Solve for x
    x = 553,506,228.41/26,020.64
  6. Step 6: Final answer
    x = 21,271.81

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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.