Home / 13,885.21-19,161.12-7,597.45

Finding the Fourth Proportional to 13,885.21, 19,161.12 and 7,597.45

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Solution

The fourth proportional to 13,885.21, 19,161.12 and 7,597.45 is: 10,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.21 : 19,161.12 = 7,597.45 : x
  2. Step 2: Convert to fraction form
    13,885.21/19,161.12 = 7,597.45/x
  3. Step 3: Cross multiply
    13,885.21x = 19,161.12 × 7,597.45
  4. Step 4: Simplify right side
    13,885.21x = 145,575,651.14
  5. Step 5: Solve for x
    x = 145,575,651.14/13,885.21
  6. Step 6: Final answer
    x = 10,484.22

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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.