Home / 13,354.76-18,429.36-8,052.50

Finding the Fourth Proportional to 13,354.76, 18,429.36 and 8,052.50

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Solution

The fourth proportional to 13,354.76, 18,429.36 and 8,052.50 is: 11,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.76 : 18,429.36 = 8,052.50 : x
  2. Step 2: Convert to fraction form
    13,354.76/18,429.36 = 8,052.50/x
  3. Step 3: Cross multiply
    13,354.76x = 18,429.36 × 8,052.50
  4. Step 4: Simplify right side
    13,354.76x = 148,402,329.25
  5. Step 5: Solve for x
    x = 148,402,329.25/13,354.76
  6. Step 6: Final answer
    x = 11,112.32

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Double scale
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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.