Home / 13,786.53-19,036.40-8,484.27

Finding the Fourth Proportional to 13,786.53, 19,036.40 and 8,484.27

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Solution

The fourth proportional to 13,786.53, 19,036.40 and 8,484.27 is: 11,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.53 : 19,036.40 = 8,484.27 : x
  2. Step 2: Convert to fraction form
    13,786.53/19,036.40 = 8,484.27/x
  3. Step 3: Cross multiply
    13,786.53x = 19,036.40 × 8,484.27
  4. Step 4: Simplify right side
    13,786.53x = 161,509,915.01
  5. Step 5: Solve for x
    x = 161,509,915.01/13,786.53
  6. Step 6: Final answer
    x = 11,715.05

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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.