Home / 13,014.96-19,521.99-3,655.05

Finding the Fourth Proportional to 13,014.96, 19,521.99 and 3,655.05

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Solution

The fourth proportional to 13,014.96, 19,521.99 and 3,655.05 is: 5,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.96 : 19,521.99 = 3,655.05 : x
  2. Step 2: Convert to fraction form
    13,014.96/19,521.99 = 3,655.05/x
  3. Step 3: Cross multiply
    13,014.96x = 19,521.99 × 3,655.05
  4. Step 4: Simplify right side
    13,014.96x = 71,353,849.55
  5. Step 5: Solve for x
    x = 71,353,849.55/13,014.96
  6. Step 6: Final answer
    x = 5,482.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.