Home / 19,703.12-27,189.77-10,750.62

Finding the Fourth Proportional to 19,703.12, 27,189.77 and 10,750.62

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Solution

The fourth proportional to 19,703.12, 27,189.77 and 10,750.62 is: 14,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.12 : 27,189.77 = 10,750.62 : x
  2. Step 2: Convert to fraction form
    19,703.12/27,189.77 = 10,750.62/x
  3. Step 3: Cross multiply
    19,703.12x = 27,189.77 × 10,750.62
  4. Step 4: Simplify right side
    19,703.12x = 292,306,885.16
  5. Step 5: Solve for x
    x = 292,306,885.16/19,703.12
  6. Step 6: Final answer
    x = 14,835.56

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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.