Home / 16,783.66-23,158.38-10,411.80

Finding the Fourth Proportional to 16,783.66, 23,158.38 and 10,411.80

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Solution

The fourth proportional to 16,783.66, 23,158.38 and 10,411.80 is: 14,366.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.66 : 23,158.38 = 10,411.80 : x
  2. Step 2: Convert to fraction form
    16,783.66/23,158.38 = 10,411.80/x
  3. Step 3: Cross multiply
    16,783.66x = 23,158.38 × 10,411.80
  4. Step 4: Simplify right side
    16,783.66x = 241,120,420.88
  5. Step 5: Solve for x
    x = 241,120,420.88/16,783.66
  6. Step 6: Final answer
    x = 14,366.38

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Double scale
Find fourth proportional to 16,784.66, 23,159.76 and 10,412.80
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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.