Home / 20,582.06-28,405.35-14,844.29

Finding the Fourth Proportional to 20,582.06, 28,405.35 and 14,844.29

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Solution

The fourth proportional to 20,582.06, 28,405.35 and 14,844.29 is: 20,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582.06 : 28,405.35 = 14,844.29 : x
  2. Step 2: Convert to fraction form
    20,582.06/28,405.35 = 14,844.29/x
  3. Step 3: Cross multiply
    20,582.06x = 28,405.35 × 14,844.29
  4. Step 4: Simplify right side
    20,582.06x = 421,657,110.92
  5. Step 5: Solve for x
    x = 421,657,110.92/20,582.06
  6. Step 6: Final answer
    x = 20,486.64

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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.