Home / 13,705.36-20,586.08-9,032.06

Finding the Fourth Proportional to 13,705.36, 20,586.08 and 9,032.06

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Solution

The fourth proportional to 13,705.36, 20,586.08 and 9,032.06 is: 13,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705.36 : 20,586.08 = 9,032.06 : x
  2. Step 2: Convert to fraction form
    13,705.36/20,586.08 = 9,032.06/x
  3. Step 3: Cross multiply
    13,705.36x = 20,586.08 × 9,032.06
  4. Step 4: Simplify right side
    13,705.36x = 185,934,709.72
  5. Step 5: Solve for x
    x = 185,934,709.72/13,705.36
  6. Step 6: Final answer
    x = 13,566.57

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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.