Home / 13,656.16-20,484.24-3,795.45

Finding the Fourth Proportional to 13,656.16, 20,484.24 and 3,795.45

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Solution

The fourth proportional to 13,656.16, 20,484.24 and 3,795.45 is: 5,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.16 : 20,484.24 = 3,795.45 : x
  2. Step 2: Convert to fraction form
    13,656.16/20,484.24 = 3,795.45/x
  3. Step 3: Cross multiply
    13,656.16x = 20,484.24 × 3,795.45
  4. Step 4: Simplify right side
    13,656.16x = 77,746,908.71
  5. Step 5: Solve for x
    x = 77,746,908.71/13,656.16
  6. Step 6: Final answer
    x = 5,693.18

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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.