Home / 14,148.57-19,539.18-11,655.39

Finding the Fourth Proportional to 14,148.57, 19,539.18 and 11,655.39

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Solution

The fourth proportional to 14,148.57, 19,539.18 and 11,655.39 is: 16,096.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.57 : 19,539.18 = 11,655.39 : x
  2. Step 2: Convert to fraction form
    14,148.57/19,539.18 = 11,655.39/x
  3. Step 3: Cross multiply
    14,148.57x = 19,539.18 × 11,655.39
  4. Step 4: Simplify right side
    14,148.57x = 227,736,763.18
  5. Step 5: Solve for x
    x = 227,736,763.18/14,148.57
  6. Step 6: Final answer
    x = 16,096.10

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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.