Home / 14,088.56-21,133.08-5,327.60

Finding the Fourth Proportional to 14,088.56, 21,133.08 and 5,327.60

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Solution

The fourth proportional to 14,088.56, 21,133.08 and 5,327.60 is: 7,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.56 : 21,133.08 = 5,327.60 : x
  2. Step 2: Convert to fraction form
    14,088.56/21,133.08 = 5,327.60/x
  3. Step 3: Cross multiply
    14,088.56x = 21,133.08 × 5,327.60
  4. Step 4: Simplify right side
    14,088.56x = 112,588,597.01
  5. Step 5: Solve for x
    x = 112,588,597.01/14,088.56
  6. Step 6: Final answer
    x = 7,991.49

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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.