Home / 35,146.90-52,686.47-12,948.14

Finding the Fourth Proportional to 35,146.90, 52,686.47 and 12,948.14

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Solution

The fourth proportional to 35,146.90, 52,686.47 and 12,948.14 is: 19,409.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,146.90 : 52,686.47 = 12,948.14 : x
  2. Step 2: Convert to fraction form
    35,146.90/52,686.47 = 12,948.14/x
  3. Step 3: Cross multiply
    35,146.90x = 52,686.47 × 12,948.14
  4. Step 4: Simplify right side
    35,146.90x = 682,191,789.67
  5. Step 5: Solve for x
    x = 682,191,789.67/35,146.90
  6. Step 6: Final answer
    x = 19,409.73

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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.