Home / 20,366.08-28,085.50-14,314.37

Finding the Fourth Proportional to 20,366.08, 28,085.50 and 14,314.37

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Solution

The fourth proportional to 20,366.08, 28,085.50 and 14,314.37 is: 19,739.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.08 : 28,085.50 = 14,314.37 : x
  2. Step 2: Convert to fraction form
    20,366.08/28,085.50 = 14,314.37/x
  3. Step 3: Cross multiply
    20,366.08x = 28,085.50 × 14,314.37
  4. Step 4: Simplify right side
    20,366.08x = 402,026,116.10
  5. Step 5: Solve for x
    x = 402,026,116.10/20,366.08
  6. Step 6: Final answer
    x = 19,739.99

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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.