Home / 18,345.81-25,317.33-10,792.45

Finding the Fourth Proportional to 18,345.81, 25,317.33 and 10,792.45

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Solution

The fourth proportional to 18,345.81, 25,317.33 and 10,792.45 is: 14,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345.81 : 25,317.33 = 10,792.45 : x
  2. Step 2: Convert to fraction form
    18,345.81/25,317.33 = 10,792.45/x
  3. Step 3: Cross multiply
    18,345.81x = 25,317.33 × 10,792.45
  4. Step 4: Simplify right side
    18,345.81x = 273,236,018.16
  5. Step 5: Solve for x
    x = 273,236,018.16/18,345.81
  6. Step 6: Final answer
    x = 14,893.65

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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.