Home / 13,325.48-18,389.24-7,357.17

Finding the Fourth Proportional to 13,325.48, 18,389.24 and 7,357.17

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Solution

The fourth proportional to 13,325.48, 18,389.24 and 7,357.17 is: 10,152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.48 : 18,389.24 = 7,357.17 : x
  2. Step 2: Convert to fraction form
    13,325.48/18,389.24 = 7,357.17/x
  3. Step 3: Cross multiply
    13,325.48x = 18,389.24 × 7,357.17
  4. Step 4: Simplify right side
    13,325.48x = 135,292,686.69
  5. Step 5: Solve for x
    x = 135,292,686.69/13,325.48
  6. Step 6: Final answer
    x = 10,152.93

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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.