Home / 13,256.25-18,293.23-7,590.81

Finding the Fourth Proportional to 13,256.25, 18,293.23 and 7,590.81

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Solution

The fourth proportional to 13,256.25, 18,293.23 and 7,590.81 is: 10,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.25 : 18,293.23 = 7,590.81 : x
  2. Step 2: Convert to fraction form
    13,256.25/18,293.23 = 7,590.81/x
  3. Step 3: Cross multiply
    13,256.25x = 18,293.23 × 7,590.81
  4. Step 4: Simplify right side
    13,256.25x = 138,860,433.22
  5. Step 5: Solve for x
    x = 138,860,433.22/13,256.25
  6. Step 6: Final answer
    x = 10,475.09

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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.