Home / 19,551.89-29,331.94-8,460.16

Finding the Fourth Proportional to 19,551.89, 29,331.94 and 8,460.16

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Solution

The fourth proportional to 19,551.89, 29,331.94 and 8,460.16 is: 12,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.89 : 29,331.94 = 8,460.16 : x
  2. Step 2: Convert to fraction form
    19,551.89/29,331.94 = 8,460.16/x
  3. Step 3: Cross multiply
    19,551.89x = 29,331.94 × 8,460.16
  4. Step 4: Simplify right side
    19,551.89x = 248,152,905.51
  5. Step 5: Solve for x
    x = 248,152,905.51/19,551.89
  6. Step 6: Final answer
    x = 12,692.02

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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.