Home / 14,113.92-19,486.40-9,636.04

Finding the Fourth Proportional to 14,113.92, 19,486.40 and 9,636.04

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Solution

The fourth proportional to 14,113.92, 19,486.40 and 9,636.04 is: 13,304.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.92 : 19,486.40 = 9,636.04 : x
  2. Step 2: Convert to fraction form
    14,113.92/19,486.40 = 9,636.04/x
  3. Step 3: Cross multiply
    14,113.92x = 19,486.40 × 9,636.04
  4. Step 4: Simplify right side
    14,113.92x = 187,771,729.86
  5. Step 5: Solve for x
    x = 187,771,729.86/14,113.92
  6. Step 6: Final answer
    x = 13,304.01

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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.