Home / 13,614.06-20,430.81-5,828.46

Finding the Fourth Proportional to 13,614.06, 20,430.81 and 5,828.46

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Solution

The fourth proportional to 13,614.06, 20,430.81 and 5,828.46 is: 8,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.06 : 20,430.81 = 5,828.46 : x
  2. Step 2: Convert to fraction form
    13,614.06/20,430.81 = 5,828.46/x
  3. Step 3: Cross multiply
    13,614.06x = 20,430.81 × 5,828.46
  4. Step 4: Simplify right side
    13,614.06x = 119,080,158.85
  5. Step 5: Solve for x
    x = 119,080,158.85/13,614.06
  6. Step 6: Final answer
    x = 8,746.85

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1.5x scale

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.