Home / 35,078.41-52,615.90-12,890.08

Finding the Fourth Proportional to 35,078.41, 52,615.90 and 12,890.08

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Solution

The fourth proportional to 35,078.41, 52,615.90 and 12,890.08 is: 19,334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,078.41 : 52,615.90 = 12,890.08 : x
  2. Step 2: Convert to fraction form
    35,078.41/52,615.90 = 12,890.08/x
  3. Step 3: Cross multiply
    35,078.41x = 52,615.90 × 12,890.08
  4. Step 4: Simplify right side
    35,078.41x = 678,223,160.27
  5. Step 5: Solve for x
    x = 678,223,160.27/35,078.41
  6. Step 6: Final answer
    x = 19,334.49

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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.