Home / 53,853.19-80,778.63-14,410.30

Finding the Fourth Proportional to 53,853.19, 80,778.63 and 14,410.30

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Solution

The fourth proportional to 53,853.19, 80,778.63 and 14,410.30 is: 21,615.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,853.19 : 80,778.63 = 14,410.30 : x
  2. Step 2: Convert to fraction form
    53,853.19/80,778.63 = 14,410.30/x
  3. Step 3: Cross multiply
    53,853.19x = 80,778.63 × 14,410.30
  4. Step 4: Simplify right side
    53,853.19x = 1,164,044,291.89
  5. Step 5: Solve for x
    x = 1,164,044,291.89/53,853.19
  6. Step 6: Final answer
    x = 21,615.14

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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.