Home / 15,199.86-22,689.81-13,133.16

Finding the Fourth Proportional to 15,199.86, 22,689.81 and 13,133.16

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Solution

The fourth proportional to 15,199.86, 22,689.81 and 13,133.16 is: 19,604.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,199.86 : 22,689.81 = 13,133.16 : x
  2. Step 2: Convert to fraction form
    15,199.86/22,689.81 = 13,133.16/x
  3. Step 3: Cross multiply
    15,199.86x = 22,689.81 × 13,133.16
  4. Step 4: Simplify right side
    15,199.86x = 297,988,905.10
  5. Step 5: Solve for x
    x = 297,988,905.10/15,199.86
  6. Step 6: Final answer
    x = 19,604.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.