Home / 19,214.64-26,516.48-10,831.12

Finding the Fourth Proportional to 19,214.64, 26,516.48 and 10,831.12

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Solution

The fourth proportional to 19,214.64, 26,516.48 and 10,831.12 is: 14,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.64 : 26,516.48 = 10,831.12 : x
  2. Step 2: Convert to fraction form
    19,214.64/26,516.48 = 10,831.12/x
  3. Step 3: Cross multiply
    19,214.64x = 26,516.48 × 10,831.12
  4. Step 4: Simplify right side
    19,214.64x = 287,203,176.86
  5. Step 5: Solve for x
    x = 287,203,176.86/19,214.64
  6. Step 6: Final answer
    x = 14,947.10

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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.