Home / 19,631.61-29,447.43-4,840.77

Finding the Fourth Proportional to 19,631.61, 29,447.43 and 4,840.77

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Solution

The fourth proportional to 19,631.61, 29,447.43 and 4,840.77 is: 7,261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.61 : 29,447.43 = 4,840.77 : x
  2. Step 2: Convert to fraction form
    19,631.61/29,447.43 = 4,840.77/x
  3. Step 3: Cross multiply
    19,631.61x = 29,447.43 × 4,840.77
  4. Step 4: Simplify right side
    19,631.61x = 142,548,235.72
  5. Step 5: Solve for x
    x = 142,548,235.72/19,631.61
  6. Step 6: Final answer
    x = 7,261.16

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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.