Home / 18,875.08-28,310.44-5,025.16

Finding the Fourth Proportional to 18,875.08, 28,310.44 and 5,025.16

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Solution

The fourth proportional to 18,875.08, 28,310.44 and 5,025.16 is: 7,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.08 : 28,310.44 = 5,025.16 : x
  2. Step 2: Convert to fraction form
    18,875.08/28,310.44 = 5,025.16/x
  3. Step 3: Cross multiply
    18,875.08x = 28,310.44 × 5,025.16
  4. Step 4: Simplify right side
    18,875.08x = 142,264,490.67
  5. Step 5: Solve for x
    x = 142,264,490.67/18,875.08
  6. Step 6: Final answer
    x = 7,537.16

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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.