Home / 13,808.15-20,706.06-5,036.91

Finding the Fourth Proportional to 13,808.15, 20,706.06 and 5,036.91

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Solution

The fourth proportional to 13,808.15, 20,706.06 and 5,036.91 is: 7,553.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.15 : 20,706.06 = 5,036.91 : x
  2. Step 2: Convert to fraction form
    13,808.15/20,706.06 = 5,036.91/x
  3. Step 3: Cross multiply
    13,808.15x = 20,706.06 × 5,036.91
  4. Step 4: Simplify right side
    13,808.15x = 104,294,501.92
  5. Step 5: Solve for x
    x = 104,294,501.92/13,808.15
  6. Step 6: Final answer
    x = 7,553.11

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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.