Home / 14,328.48-19,774.08-8,040.72

Finding the Fourth Proportional to 14,328.48, 19,774.08 and 8,040.72

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Solution

The fourth proportional to 14,328.48, 19,774.08 and 8,040.72 is: 11,096.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.48 : 19,774.08 = 8,040.72 : x
  2. Step 2: Convert to fraction form
    14,328.48/19,774.08 = 8,040.72/x
  3. Step 3: Cross multiply
    14,328.48x = 19,774.08 × 8,040.72
  4. Step 4: Simplify right side
    14,328.48x = 158,997,840.54
  5. Step 5: Solve for x
    x = 158,997,840.54/14,328.48
  6. Step 6: Final answer
    x = 11,096.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.