Home / 25,764.28-35,570.52-19,784.32

Finding the Fourth Proportional to 25,764.28, 35,570.52 and 19,784.32

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Solution

The fourth proportional to 25,764.28, 35,570.52 and 19,784.32 is: 27,314.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,764.28 : 35,570.52 = 19,784.32 : x
  2. Step 2: Convert to fraction form
    25,764.28/35,570.52 = 19,784.32/x
  3. Step 3: Cross multiply
    25,764.28x = 35,570.52 × 19,784.32
  4. Step 4: Simplify right side
    25,764.28x = 703,738,550.25
  5. Step 5: Solve for x
    x = 703,738,550.25/25,764.28
  6. Step 6: Final answer
    x = 27,314.50

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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.