Home / 28,501.66-39,330.84-16,563.07

Finding the Fourth Proportional to 28,501.66, 39,330.84 and 16,563.07

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Solution

The fourth proportional to 28,501.66, 39,330.84 and 16,563.07 is: 22,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.66 : 39,330.84 = 16,563.07 : x
  2. Step 2: Convert to fraction form
    28,501.66/39,330.84 = 16,563.07/x
  3. Step 3: Cross multiply
    28,501.66x = 39,330.84 × 16,563.07
  4. Step 4: Simplify right side
    28,501.66x = 651,439,456.08
  5. Step 5: Solve for x
    x = 651,439,456.08/28,501.66
  6. Step 6: Final answer
    x = 22,856.19

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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.