Home / 13,564.83-18,719.81-7,597.71

Finding the Fourth Proportional to 13,564.83, 18,719.81 and 7,597.71

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Solution

The fourth proportional to 13,564.83, 18,719.81 and 7,597.71 is: 10,485.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.83 : 18,719.81 = 7,597.71 : x
  2. Step 2: Convert to fraction form
    13,564.83/18,719.81 = 7,597.71/x
  3. Step 3: Cross multiply
    13,564.83x = 18,719.81 × 7,597.71
  4. Step 4: Simplify right side
    13,564.83x = 142,227,649.65
  5. Step 5: Solve for x
    x = 142,227,649.65/13,564.83
  6. Step 6: Final answer
    x = 10,485.03

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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.