Home / 13,258.08-18,296.64-7,290.27

Finding the Fourth Proportional to 13,258.08, 18,296.64 and 7,290.27

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Solution

The fourth proportional to 13,258.08, 18,296.64 and 7,290.27 is: 10,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.08 : 18,296.64 = 7,290.27 : x
  2. Step 2: Convert to fraction form
    13,258.08/18,296.64 = 7,290.27/x
  3. Step 3: Cross multiply
    13,258.08x = 18,296.64 × 7,290.27
  4. Step 4: Simplify right side
    13,258.08x = 133,387,445.69
  5. Step 5: Solve for x
    x = 133,387,445.69/13,258.08
  6. Step 6: Final answer
    x = 10,060.84

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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.