Home / 13,133.55-18,101.84-10,282.35

Finding the Fourth Proportional to 13,133.55, 18,101.84 and 10,282.35

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Solution

The fourth proportional to 13,133.55, 18,101.84 and 10,282.35 is: 14,172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.55 : 18,101.84 = 10,282.35 : x
  2. Step 2: Convert to fraction form
    13,133.55/18,101.84 = 10,282.35/x
  3. Step 3: Cross multiply
    13,133.55x = 18,101.84 × 10,282.35
  4. Step 4: Simplify right side
    13,133.55x = 186,129,403.11
  5. Step 5: Solve for x
    x = 186,129,403.11/13,133.55
  6. Step 6: Final answer
    x = 14,172.06

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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.