Home / 13,587.24-18,746.22-8,556.48

Finding the Fourth Proportional to 13,587.24, 18,746.22 and 8,556.48

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Solution

The fourth proportional to 13,587.24, 18,746.22 and 8,556.48 is: 11,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.24 : 18,746.22 = 8,556.48 : x
  2. Step 2: Convert to fraction form
    13,587.24/18,746.22 = 8,556.48/x
  3. Step 3: Cross multiply
    13,587.24x = 18,746.22 × 8,556.48
  4. Step 4: Simplify right side
    13,587.24x = 160,401,656.51
  5. Step 5: Solve for x
    x = 160,401,656.51/13,587.24
  6. Step 6: Final answer
    x = 11,805.32

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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.