Home / 13,219.16-18,261.42-10,563.08

Finding the Fourth Proportional to 13,219.16, 18,261.42 and 10,563.08

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Solution

The fourth proportional to 13,219.16, 18,261.42 and 10,563.08 is: 14,592.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.16 : 18,261.42 = 10,563.08 : x
  2. Step 2: Convert to fraction form
    13,219.16/18,261.42 = 10,563.08/x
  3. Step 3: Cross multiply
    13,219.16x = 18,261.42 × 10,563.08
  4. Step 4: Simplify right side
    13,219.16x = 192,896,840.37
  5. Step 5: Solve for x
    x = 192,896,840.37/13,219.16
  6. Step 6: Final answer
    x = 14,592.22

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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.