Home / 13,468.70-18,587.31-7,501.03

Finding the Fourth Proportional to 13,468.70, 18,587.31 and 7,501.03

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Solution

The fourth proportional to 13,468.70, 18,587.31 and 7,501.03 is: 10,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.70 : 18,587.31 = 7,501.03 : x
  2. Step 2: Convert to fraction form
    13,468.70/18,587.31 = 7,501.03/x
  3. Step 3: Cross multiply
    13,468.70x = 18,587.31 × 7,501.03
  4. Step 4: Simplify right side
    13,468.70x = 139,423,969.93
  5. Step 5: Solve for x
    x = 139,423,969.93/13,468.70
  6. Step 6: Final answer
    x = 10,351.70

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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.