Home / 14,087.07-21,123.99-4,725.36

Finding the Fourth Proportional to 14,087.07, 21,123.99 and 4,725.36

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Solution

The fourth proportional to 14,087.07, 21,123.99 and 4,725.36 is: 7,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.07 : 21,123.99 = 4,725.36 : x
  2. Step 2: Convert to fraction form
    14,087.07/21,123.99 = 4,725.36/x
  3. Step 3: Cross multiply
    14,087.07x = 21,123.99 × 4,725.36
  4. Step 4: Simplify right side
    14,087.07x = 99,818,457.39
  5. Step 5: Solve for x
    x = 99,818,457.39/14,087.07
  6. Step 6: Final answer
    x = 7,085.82

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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.