Home / 13,885.20-19,161.42-7,597.50

Finding the Fourth Proportional to 13,885.20, 19,161.42 and 7,597.50

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Solution

The fourth proportional to 13,885.20, 19,161.42 and 7,597.50 is: 10,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.20 : 19,161.42 = 7,597.50 : x
  2. Step 2: Convert to fraction form
    13,885.20/19,161.42 = 7,597.50/x
  3. Step 3: Cross multiply
    13,885.20x = 19,161.42 × 7,597.50
  4. Step 4: Simplify right side
    13,885.20x = 145,578,888.45
  5. Step 5: Solve for x
    x = 145,578,888.45/13,885.20
  6. Step 6: Final answer
    x = 10,484.46

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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.