Home / 16,783.96-23,212.02-14,742.76

Finding the Fourth Proportional to 16,783.96, 23,212.02 and 14,742.76

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Solution

The fourth proportional to 16,783.96, 23,212.02 and 14,742.76 is: 20,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.96 : 23,212.02 = 14,742.76 : x
  2. Step 2: Convert to fraction form
    16,783.96/23,212.02 = 14,742.76/x
  3. Step 3: Cross multiply
    16,783.96x = 23,212.02 × 14,742.76
  4. Step 4: Simplify right side
    16,783.96x = 342,209,239.98
  5. Step 5: Solve for x
    x = 342,209,239.98/16,783.96
  6. Step 6: Final answer
    x = 20,389.06

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Half scale
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Double scale
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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.