Home / 14,186.48-19,578.12-7,898.96

Finding the Fourth Proportional to 14,186.48, 19,578.12 and 7,898.96

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Solution

The fourth proportional to 14,186.48, 19,578.12 and 7,898.96 is: 10,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.48 : 19,578.12 = 7,898.96 : x
  2. Step 2: Convert to fraction form
    14,186.48/19,578.12 = 7,898.96/x
  3. Step 3: Cross multiply
    14,186.48x = 19,578.12 × 7,898.96
  4. Step 4: Simplify right side
    14,186.48x = 154,646,786.76
  5. Step 5: Solve for x
    x = 154,646,786.76/14,186.48
  6. Step 6: Final answer
    x = 10,901.00

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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.