Home / 13,005.24-17,947.21-7,341.18

Finding the Fourth Proportional to 13,005.24, 17,947.21 and 7,341.18

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Solution

The fourth proportional to 13,005.24, 17,947.21 and 7,341.18 is: 10,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005.24 : 17,947.21 = 7,341.18 : x
  2. Step 2: Convert to fraction form
    13,005.24/17,947.21 = 7,341.18/x
  3. Step 3: Cross multiply
    13,005.24x = 17,947.21 × 7,341.18
  4. Step 4: Simplify right side
    13,005.24x = 131,753,699.11
  5. Step 5: Solve for x
    x = 131,753,699.11/13,005.24
  6. Step 6: Final answer
    x = 10,130.82

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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.