Home / 26,570.40-36,668.64-15,969.12

Finding the Fourth Proportional to 26,570.40, 36,668.64 and 15,969.12

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Solution

The fourth proportional to 26,570.40, 36,668.64 and 15,969.12 is: 22,038.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,570.40 : 36,668.64 = 15,969.12 : x
  2. Step 2: Convert to fraction form
    26,570.40/36,668.64 = 15,969.12/x
  3. Step 3: Cross multiply
    26,570.40x = 36,668.64 × 15,969.12
  4. Step 4: Simplify right side
    26,570.40x = 585,565,912.40
  5. Step 5: Solve for x
    x = 585,565,912.40/26,570.40
  6. Step 6: Final answer
    x = 22,038.28

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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.