Home / 35,960.68-53,953.98-12,590.56

Finding the Fourth Proportional to 35,960.68, 53,953.98 and 12,590.56

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Solution

The fourth proportional to 35,960.68, 53,953.98 and 12,590.56 is: 18,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,960.68 : 53,953.98 = 12,590.56 : x
  2. Step 2: Convert to fraction form
    35,960.68/53,953.98 = 12,590.56/x
  3. Step 3: Cross multiply
    35,960.68x = 53,953.98 × 12,590.56
  4. Step 4: Simplify right side
    35,960.68x = 679,310,822.43
  5. Step 5: Solve for x
    x = 679,310,822.43/35,960.68
  6. Step 6: Final answer
    x = 18,890.38

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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.