Home / 28,574.16-42,887.55-14,544.21

Finding the Fourth Proportional to 28,574.16, 42,887.55 and 14,544.21

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Solution

The fourth proportional to 28,574.16, 42,887.55 and 14,544.21 is: 21,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,574.16 : 42,887.55 = 14,544.21 : x
  2. Step 2: Convert to fraction form
    28,574.16/42,887.55 = 14,544.21/x
  3. Step 3: Cross multiply
    28,574.16x = 42,887.55 × 14,544.21
  4. Step 4: Simplify right side
    28,574.16x = 623,765,546.52
  5. Step 5: Solve for x
    x = 623,765,546.52/28,574.16
  6. Step 6: Final answer
    x = 21,829.71

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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.