Home / 26,516.40-36,570.60-15,903.60

Finding the Fourth Proportional to 26,516.40, 36,570.60 and 15,903.60

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Solution

The fourth proportional to 26,516.40, 36,570.60 and 15,903.60 is: 21,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,516.40 : 36,570.60 = 15,903.60 : x
  2. Step 2: Convert to fraction form
    26,516.40/36,570.60 = 15,903.60/x
  3. Step 3: Cross multiply
    26,516.40x = 36,570.60 × 15,903.60
  4. Step 4: Simplify right side
    26,516.40x = 581,604,194.16
  5. Step 5: Solve for x
    x = 581,604,194.16/26,516.40
  6. Step 6: Final answer
    x = 21,933.75

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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.