Home / 18,365.45-25,343.87-10,710.12

Finding the Fourth Proportional to 18,365.45, 25,343.87 and 10,710.12

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Solution

The fourth proportional to 18,365.45, 25,343.87 and 10,710.12 is: 14,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.45 : 25,343.87 = 10,710.12 : x
  2. Step 2: Convert to fraction form
    18,365.45/25,343.87 = 10,710.12/x
  3. Step 3: Cross multiply
    18,365.45x = 25,343.87 × 10,710.12
  4. Step 4: Simplify right side
    18,365.45x = 271,435,888.96
  5. Step 5: Solve for x
    x = 271,435,888.96/18,365.45
  6. Step 6: Final answer
    x = 14,779.70

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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.