Home / 28,502.56-42,754.58-13,506.16

Finding the Fourth Proportional to 28,502.56, 42,754.58 and 13,506.16

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Solution

The fourth proportional to 28,502.56, 42,754.58 and 13,506.16 is: 20,259.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502.56 : 42,754.58 = 13,506.16 : x
  2. Step 2: Convert to fraction form
    28,502.56/42,754.58 = 13,506.16/x
  3. Step 3: Cross multiply
    28,502.56x = 42,754.58 × 13,506.16
  4. Step 4: Simplify right side
    28,502.56x = 577,450,198.21
  5. Step 5: Solve for x
    x = 577,450,198.21/28,502.56
  6. Step 6: Final answer
    x = 20,259.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.