Home / 13,733.72-18,968.28-9,038.96

Finding the Fourth Proportional to 13,733.72, 18,968.28 and 9,038.96

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Solution

The fourth proportional to 13,733.72, 18,968.28 and 9,038.96 is: 12,484.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.72 : 18,968.28 = 9,038.96 : x
  2. Step 2: Convert to fraction form
    13,733.72/18,968.28 = 9,038.96/x
  3. Step 3: Cross multiply
    13,733.72x = 18,968.28 × 9,038.96
  4. Step 4: Simplify right side
    13,733.72x = 171,453,524.19
  5. Step 5: Solve for x
    x = 171,453,524.19/13,733.72
  6. Step 6: Final answer
    x = 12,484.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.