Home / 13,327.99-18,395.01-7,950.76

Finding the Fourth Proportional to 13,327.99, 18,395.01 and 7,950.76

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Solution

The fourth proportional to 13,327.99, 18,395.01 and 7,950.76 is: 10,973.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.99 : 18,395.01 = 7,950.76 : x
  2. Step 2: Convert to fraction form
    13,327.99/18,395.01 = 7,950.76/x
  3. Step 3: Cross multiply
    13,327.99x = 18,395.01 × 7,950.76
  4. Step 4: Simplify right side
    13,327.99x = 146,254,309.71
  5. Step 5: Solve for x
    x = 146,254,309.71/13,327.99
  6. Step 6: Final answer
    x = 10,973.47

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Half scale
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Double scale
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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.