Home / 13,218.16-18,260.04-10,562.08

Finding the Fourth Proportional to 13,218.16, 18,260.04 and 10,562.08

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Solution

The fourth proportional to 13,218.16, 18,260.04 and 10,562.08 is: 14,590.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.16 : 18,260.04 = 10,562.08 : x
  2. Step 2: Convert to fraction form
    13,218.16/18,260.04 = 10,562.08/x
  3. Step 3: Cross multiply
    13,218.16x = 18,260.04 × 10,562.08
  4. Step 4: Simplify right side
    13,218.16x = 192,864,003.28
  5. Step 5: Solve for x
    x = 192,864,003.28/13,218.16
  6. Step 6: Final answer
    x = 14,590.84

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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.