Home / 19,183.35-28,774.75-5,332.35

Finding the Fourth Proportional to 19,183.35, 28,774.75 and 5,332.35

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Solution

The fourth proportional to 19,183.35, 28,774.75 and 5,332.35 is: 7,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183.35 : 28,774.75 = 5,332.35 : x
  2. Step 2: Convert to fraction form
    19,183.35/28,774.75 = 5,332.35/x
  3. Step 3: Cross multiply
    19,183.35x = 28,774.75 × 5,332.35
  4. Step 4: Simplify right side
    19,183.35x = 153,437,038.16
  5. Step 5: Solve for x
    x = 153,437,038.16/19,183.35
  6. Step 6: Final answer
    x = 7,998.45

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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.