Home / 14,403.20-19,885.59-11,756.90

Finding the Fourth Proportional to 14,403.20, 19,885.59 and 11,756.90

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Solution

The fourth proportional to 14,403.20, 19,885.59 and 11,756.90 is: 16,232.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.20 : 19,885.59 = 11,756.90 : x
  2. Step 2: Convert to fraction form
    14,403.20/19,885.59 = 11,756.90/x
  3. Step 3: Cross multiply
    14,403.20x = 19,885.59 × 11,756.90
  4. Step 4: Simplify right side
    14,403.20x = 233,792,893.07
  5. Step 5: Solve for x
    x = 233,792,893.07/14,403.20
  6. Step 6: Final answer
    x = 16,232.01

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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.