Home / 13,457.28-20,184.48-4,692

Finding the Fourth Proportional to 13,457.28, 20,184.48 and 4,692

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Solution

The fourth proportional to 13,457.28, 20,184.48 and 4,692 is: 7,037.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.28 : 20,184.48 = 4,692 : x
  2. Step 2: Convert to fraction form
    13,457.28/20,184.48 = 4,692/x
  3. Step 3: Cross multiply
    13,457.28x = 20,184.48 × 4,692
  4. Step 4: Simplify right side
    13,457.28x = 94,705,580.16
  5. Step 5: Solve for x
    x = 94,705,580.16/13,457.28
  6. Step 6: Final answer
    x = 7,037.50

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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.