Home / 36,420.63-54,633.98-10,125.60

Finding the Fourth Proportional to 36,420.63, 54,633.98 and 10,125.60

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Solution

The fourth proportional to 36,420.63, 54,633.98 and 10,125.60 is: 15,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,420.63 : 54,633.98 = 10,125.60 : x
  2. Step 2: Convert to fraction form
    36,420.63/54,633.98 = 10,125.60/x
  3. Step 3: Cross multiply
    36,420.63x = 54,633.98 × 10,125.60
  4. Step 4: Simplify right side
    36,420.63x = 553,201,827.89
  5. Step 5: Solve for x
    x = 553,201,827.89/36,420.63
  6. Step 6: Final answer
    x = 15,189.24

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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.