Home / 13,070.97-18,029.08-8,032.67

Finding the Fourth Proportional to 13,070.97, 18,029.08 and 8,032.67

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Solution

The fourth proportional to 13,070.97, 18,029.08 and 8,032.67 is: 11,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.97 : 18,029.08 = 8,032.67 : x
  2. Step 2: Convert to fraction form
    13,070.97/18,029.08 = 8,032.67/x
  3. Step 3: Cross multiply
    13,070.97x = 18,029.08 × 8,032.67
  4. Step 4: Simplify right side
    13,070.97x = 144,821,637.55
  5. Step 5: Solve for x
    x = 144,821,637.55/13,070.97
  6. Step 6: Final answer
    x = 11,079.64

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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.