Home / 18,153.48-27,211.86-7,053.24

Finding the Fourth Proportional to 18,153.48, 27,211.86 and 7,053.24

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Solution

The fourth proportional to 18,153.48, 27,211.86 and 7,053.24 is: 10,572.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.48 : 27,211.86 = 7,053.24 : x
  2. Step 2: Convert to fraction form
    18,153.48/27,211.86 = 7,053.24/x
  3. Step 3: Cross multiply
    18,153.48x = 27,211.86 × 7,053.24
  4. Step 4: Simplify right side
    18,153.48x = 191,931,779.43
  5. Step 5: Solve for x
    x = 191,931,779.43/18,153.48
  6. Step 6: Final answer
    x = 10,572.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.