Home / 15,107.49-22,663.55-7,707.92

Finding the Fourth Proportional to 15,107.49, 22,663.55 and 7,707.92

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Solution

The fourth proportional to 15,107.49, 22,663.55 and 7,707.92 is: 11,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,107.49 : 22,663.55 = 7,707.92 : x
  2. Step 2: Convert to fraction form
    15,107.49/22,663.55 = 7,707.92/x
  3. Step 3: Cross multiply
    15,107.49x = 22,663.55 × 7,707.92
  4. Step 4: Simplify right side
    15,107.49x = 174,688,735.12
  5. Step 5: Solve for x
    x = 174,688,735.12/15,107.49
  6. Step 6: Final answer
    x = 11,563.05

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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.