Home / 13,693.42-18,897.20-8,032.51

Finding the Fourth Proportional to 13,693.42, 18,897.20 and 8,032.51

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Solution

The fourth proportional to 13,693.42, 18,897.20 and 8,032.51 is: 11,085.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693.42 : 18,897.20 = 8,032.51 : x
  2. Step 2: Convert to fraction form
    13,693.42/18,897.20 = 8,032.51/x
  3. Step 3: Cross multiply
    13,693.42x = 18,897.20 × 8,032.51
  4. Step 4: Simplify right side
    13,693.42x = 151,791,947.97
  5. Step 5: Solve for x
    x = 151,791,947.97/13,693.42
  6. Step 6: Final answer
    x = 11,085.03

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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.