Home / 13,866.84-19,136.16-7,898.76

Finding the Fourth Proportional to 13,866.84, 19,136.16 and 7,898.76

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Solution

The fourth proportional to 13,866.84, 19,136.16 and 7,898.76 is: 10,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.84 : 19,136.16 = 7,898.76 : x
  2. Step 2: Convert to fraction form
    13,866.84/19,136.16 = 7,898.76/x
  3. Step 3: Cross multiply
    13,866.84x = 19,136.16 × 7,898.76
  4. Step 4: Simplify right side
    13,866.84x = 151,151,935.16
  5. Step 5: Solve for x
    x = 151,151,935.16/13,866.84
  6. Step 6: Final answer
    x = 10,900.24

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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.