Home / 14,102.48-19,461.36-7,814.84

Finding the Fourth Proportional to 14,102.48, 19,461.36 and 7,814.84

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Solution

The fourth proportional to 14,102.48, 19,461.36 and 7,814.84 is: 10,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.48 : 19,461.36 = 7,814.84 : x
  2. Step 2: Convert to fraction form
    14,102.48/19,461.36 = 7,814.84/x
  3. Step 3: Cross multiply
    14,102.48x = 19,461.36 × 7,814.84
  4. Step 4: Simplify right side
    14,102.48x = 152,087,414.58
  5. Step 5: Solve for x
    x = 152,087,414.58/14,102.48
  6. Step 6: Final answer
    x = 10,784.44

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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.