Home / 35,543.45-53,313.24-13,355.12

Finding the Fourth Proportional to 35,543.45, 53,313.24 and 13,355.12

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Solution

The fourth proportional to 35,543.45, 53,313.24 and 13,355.12 is: 20,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,543.45 : 53,313.24 = 13,355.12 : x
  2. Step 2: Convert to fraction form
    35,543.45/53,313.24 = 13,355.12/x
  3. Step 3: Cross multiply
    35,543.45x = 53,313.24 × 13,355.12
  4. Step 4: Simplify right side
    35,543.45x = 712,004,717.79
  5. Step 5: Solve for x
    x = 712,004,717.79/35,543.45
  6. Step 6: Final answer
    x = 20,031.95

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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.