Home / 19,698.60-29,523.26-9,840.63

Finding the Fourth Proportional to 19,698.60, 29,523.26 and 9,840.63

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Solution

The fourth proportional to 19,698.60, 29,523.26 and 9,840.63 is: 14,748.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,698.60 : 29,523.26 = 9,840.63 : x
  2. Step 2: Convert to fraction form
    19,698.60/29,523.26 = 9,840.63/x
  3. Step 3: Cross multiply
    19,698.60x = 29,523.26 × 9,840.63
  4. Step 4: Simplify right side
    19,698.60x = 290,527,478.05
  5. Step 5: Solve for x
    x = 290,527,478.05/19,698.60
  6. Step 6: Final answer
    x = 14,748.64

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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.