Home / 35,317.12-52,970.96-13,127.48

Finding the Fourth Proportional to 35,317.12, 52,970.96 and 13,127.48

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Solution

The fourth proportional to 35,317.12, 52,970.96 and 13,127.48 is: 19,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,317.12 : 52,970.96 = 13,127.48 : x
  2. Step 2: Convert to fraction form
    35,317.12/52,970.96 = 13,127.48/x
  3. Step 3: Cross multiply
    35,317.12x = 52,970.96 × 13,127.48
  4. Step 4: Simplify right side
    35,317.12x = 695,375,217.98
  5. Step 5: Solve for x
    x = 695,375,217.98/35,317.12
  6. Step 6: Final answer
    x = 19,689.47

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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.