Home / 35,513.17-53,255.91-13,314.45

Finding the Fourth Proportional to 35,513.17, 53,255.91 and 13,314.45

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Solution

The fourth proportional to 35,513.17, 53,255.91 and 13,314.45 is: 19,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,513.17 : 53,255.91 = 13,314.45 : x
  2. Step 2: Convert to fraction form
    35,513.17/53,255.91 = 13,314.45/x
  3. Step 3: Cross multiply
    35,513.17x = 53,255.91 × 13,314.45
  4. Step 4: Simplify right side
    35,513.17x = 709,073,150.90
  5. Step 5: Solve for x
    x = 709,073,150.90/35,513.17
  6. Step 6: Final answer
    x = 19,966.48

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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.