Home / 14,360.59-19,816.14-8,391.50

Finding the Fourth Proportional to 14,360.59, 19,816.14 and 8,391.50

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Solution

The fourth proportional to 14,360.59, 19,816.14 and 8,391.50 is: 11,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,360.59 : 19,816.14 = 8,391.50 : x
  2. Step 2: Convert to fraction form
    14,360.59/19,816.14 = 8,391.50/x
  3. Step 3: Cross multiply
    14,360.59x = 19,816.14 × 8,391.50
  4. Step 4: Simplify right side
    14,360.59x = 166,287,145.51
  5. Step 5: Solve for x
    x = 166,287,145.51/14,360.59
  6. Step 6: Final answer
    x = 11,579.41

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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.