Home / 16,918.36-23,341.60-9,838.96

Finding the Fourth Proportional to 16,918.36, 23,341.60 and 9,838.96

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Solution

The fourth proportional to 16,918.36, 23,341.60 and 9,838.96 is: 13,574.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.36 : 23,341.60 = 9,838.96 : x
  2. Step 2: Convert to fraction form
    16,918.36/23,341.60 = 9,838.96/x
  3. Step 3: Cross multiply
    16,918.36x = 23,341.60 × 9,838.96
  4. Step 4: Simplify right side
    16,918.36x = 229,657,068.74
  5. Step 5: Solve for x
    x = 229,657,068.74/16,918.36
  6. Step 6: Final answer
    x = 13,574.43

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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.