Home / 14,233.75-19,638.74-9,196.13

Finding the Fourth Proportional to 14,233.75, 19,638.74 and 9,196.13

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Solution

The fourth proportional to 14,233.75, 19,638.74 and 9,196.13 is: 12,688.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233.75 : 19,638.74 = 9,196.13 : x
  2. Step 2: Convert to fraction form
    14,233.75/19,638.74 = 9,196.13/x
  3. Step 3: Cross multiply
    14,233.75x = 19,638.74 × 9,196.13
  4. Step 4: Simplify right side
    14,233.75x = 180,600,478.16
  5. Step 5: Solve for x
    x = 180,600,478.16/14,233.75
  6. Step 6: Final answer
    x = 12,688.19

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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.