Home / 35,516.45-53,260.75-13,317.72

Finding the Fourth Proportional to 35,516.45, 53,260.75 and 13,317.72

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Solution

The fourth proportional to 35,516.45, 53,260.75 and 13,317.72 is: 19,971.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,516.45 : 53,260.75 = 13,317.72 : x
  2. Step 2: Convert to fraction form
    35,516.45/53,260.75 = 13,317.72/x
  3. Step 3: Cross multiply
    35,516.45x = 53,260.75 × 13,317.72
  4. Step 4: Simplify right side
    35,516.45x = 709,311,688.90
  5. Step 5: Solve for x
    x = 709,311,688.90/35,516.45
  6. Step 6: Final answer
    x = 19,971.36

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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.