Home / 14,905.75-20,570.48-8,533.51

Finding the Fourth Proportional to 14,905.75, 20,570.48 and 8,533.51

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Solution

The fourth proportional to 14,905.75, 20,570.48 and 8,533.51 is: 11,776.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.75 : 20,570.48 = 8,533.51 : x
  2. Step 2: Convert to fraction form
    14,905.75/20,570.48 = 8,533.51/x
  3. Step 3: Cross multiply
    14,905.75x = 20,570.48 × 8,533.51
  4. Step 4: Simplify right side
    14,905.75x = 175,538,396.78
  5. Step 5: Solve for x
    x = 175,538,396.78/14,905.75
  6. Step 6: Final answer
    x = 11,776.56

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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.