Home / 13,923.51-20,875.35-6,523.95

Finding the Fourth Proportional to 13,923.51, 20,875.35 and 6,523.95

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Solution

The fourth proportional to 13,923.51, 20,875.35 and 6,523.95 is: 9,781.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.51 : 20,875.35 = 6,523.95 : x
  2. Step 2: Convert to fraction form
    13,923.51/20,875.35 = 6,523.95/x
  3. Step 3: Cross multiply
    13,923.51x = 20,875.35 × 6,523.95
  4. Step 4: Simplify right side
    13,923.51x = 136,189,739.63
  5. Step 5: Solve for x
    x = 136,189,739.63/13,923.51
  6. Step 6: Final answer
    x = 9,781.28

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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.