Home / 18,260.16-25,203.84-10,707.60

Finding the Fourth Proportional to 18,260.16, 25,203.84 and 10,707.60

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Solution

The fourth proportional to 18,260.16, 25,203.84 and 10,707.60 is: 14,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.16 : 25,203.84 = 10,707.60 : x
  2. Step 2: Convert to fraction form
    18,260.16/25,203.84 = 10,707.60/x
  3. Step 3: Cross multiply
    18,260.16x = 25,203.84 × 10,707.60
  4. Step 4: Simplify right side
    18,260.16x = 269,872,637.18
  5. Step 5: Solve for x
    x = 269,872,637.18/18,260.16
  6. Step 6: Final answer
    x = 14,779.31

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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.