Home / 13,501.60-18,632.78-7,533.26

Finding the Fourth Proportional to 13,501.60, 18,632.78 and 7,533.26

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Solution

The fourth proportional to 13,501.60, 18,632.78 and 7,533.26 is: 10,396.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.60 : 18,632.78 = 7,533.26 : x
  2. Step 2: Convert to fraction form
    13,501.60/18,632.78 = 7,533.26/x
  3. Step 3: Cross multiply
    13,501.60x = 18,632.78 × 7,533.26
  4. Step 4: Simplify right side
    13,501.60x = 140,365,576.26
  5. Step 5: Solve for x
    x = 140,365,576.26/13,501.60
  6. Step 6: Final answer
    x = 10,396.22

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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.