Home / 13,350.72-18,424.10-7,301.12

Finding the Fourth Proportional to 13,350.72, 18,424.10 and 7,301.12

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Solution

The fourth proportional to 13,350.72, 18,424.10 and 7,301.12 is: 10,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.72 : 18,424.10 = 7,301.12 : x
  2. Step 2: Convert to fraction form
    13,350.72/18,424.10 = 7,301.12/x
  3. Step 3: Cross multiply
    13,350.72x = 18,424.10 × 7,301.12
  4. Step 4: Simplify right side
    13,350.72x = 134,516,564.99
  5. Step 5: Solve for x
    x = 134,516,564.99/13,350.72
  6. Step 6: Final answer
    x = 10,075.60

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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.