Home / 13,368.33-20,045.88-7,823.07

Finding the Fourth Proportional to 13,368.33, 20,045.88 and 7,823.07

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Solution

The fourth proportional to 13,368.33, 20,045.88 and 7,823.07 is: 11,730.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.33 : 20,045.88 = 7,823.07 : x
  2. Step 2: Convert to fraction form
    13,368.33/20,045.88 = 7,823.07/x
  3. Step 3: Cross multiply
    13,368.33x = 20,045.88 × 7,823.07
  4. Step 4: Simplify right side
    13,368.33x = 156,820,322.45
  5. Step 5: Solve for x
    x = 156,820,322.45/13,368.33
  6. Step 6: Final answer
    x = 11,730.73

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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.