Home / 16,905.36-25,360.35-7,042.34

Finding the Fourth Proportional to 16,905.36, 25,360.35 and 7,042.34

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Solution

The fourth proportional to 16,905.36, 25,360.35 and 7,042.34 is: 10,564.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.36 : 25,360.35 = 7,042.34 : x
  2. Step 2: Convert to fraction form
    16,905.36/25,360.35 = 7,042.34/x
  3. Step 3: Cross multiply
    16,905.36x = 25,360.35 × 7,042.34
  4. Step 4: Simplify right side
    16,905.36x = 178,596,080.42
  5. Step 5: Solve for x
    x = 178,596,080.42/16,905.36
  6. Step 6: Final answer
    x = 10,564.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.