Home / 16,663.48-24,995.70-7,430.20

Finding the Fourth Proportional to 16,663.48, 24,995.70 and 7,430.20

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Solution

The fourth proportional to 16,663.48, 24,995.70 and 7,430.20 is: 11,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,663.48 : 24,995.70 = 7,430.20 : x
  2. Step 2: Convert to fraction form
    16,663.48/24,995.70 = 7,430.20/x
  3. Step 3: Cross multiply
    16,663.48x = 24,995.70 × 7,430.20
  4. Step 4: Simplify right side
    16,663.48x = 185,723,050.14
  5. Step 5: Solve for x
    x = 185,723,050.14/16,663.48
  6. Step 6: Final answer
    x = 11,145.51

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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.