Home / 13,043.33-19,556.49-8,587.51

Finding the Fourth Proportional to 13,043.33, 19,556.49 and 8,587.51

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Solution

The fourth proportional to 13,043.33, 19,556.49 and 8,587.51 is: 12,875.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.33 : 19,556.49 = 8,587.51 : x
  2. Step 2: Convert to fraction form
    13,043.33/19,556.49 = 8,587.51/x
  3. Step 3: Cross multiply
    13,043.33x = 19,556.49 × 8,587.51
  4. Step 4: Simplify right side
    13,043.33x = 167,941,460.95
  5. Step 5: Solve for x
    x = 167,941,460.95/13,043.33
  6. Step 6: Final answer
    x = 12,875.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.