Home / 20,875.11-31,317.86-6,084.16

Finding the Fourth Proportional to 20,875.11, 31,317.86 and 6,084.16

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Solution

The fourth proportional to 20,875.11, 31,317.86 and 6,084.16 is: 9,127.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,875.11 : 31,317.86 = 6,084.16 : x
  2. Step 2: Convert to fraction form
    20,875.11/31,317.86 = 6,084.16/x
  3. Step 3: Cross multiply
    20,875.11x = 31,317.86 × 6,084.16
  4. Step 4: Simplify right side
    20,875.11x = 190,542,762.38
  5. Step 5: Solve for x
    x = 190,542,762.38/20,875.11
  6. Step 6: Final answer
    x = 9,127.75

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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.