Home / 13,561.12-18,713.04-7,592.32

Finding the Fourth Proportional to 13,561.12, 18,713.04 and 7,592.32

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Solution

The fourth proportional to 13,561.12, 18,713.04 and 7,592.32 is: 10,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561.12 : 18,713.04 = 7,592.32 : x
  2. Step 2: Convert to fraction form
    13,561.12/18,713.04 = 7,592.32/x
  3. Step 3: Cross multiply
    13,561.12x = 18,713.04 × 7,592.32
  4. Step 4: Simplify right side
    13,561.12x = 142,075,387.85
  5. Step 5: Solve for x
    x = 142,075,387.85/13,561.12
  6. Step 6: Final answer
    x = 10,476.67

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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.