Home / 13,292.07-18,345.08-10,100.16

Finding the Fourth Proportional to 13,292.07, 18,345.08 and 10,100.16

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Solution

The fourth proportional to 13,292.07, 18,345.08 and 10,100.16 is: 13,939.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.07 : 18,345.08 = 10,100.16 : x
  2. Step 2: Convert to fraction form
    13,292.07/18,345.08 = 10,100.16/x
  3. Step 3: Cross multiply
    13,292.07x = 18,345.08 × 10,100.16
  4. Step 4: Simplify right side
    13,292.07x = 185,288,192.71
  5. Step 5: Solve for x
    x = 185,288,192.71/13,292.07
  6. Step 6: Final answer
    x = 13,939.76

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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.