Home / 19,214.52-26,515.80-10,831.02

Finding the Fourth Proportional to 19,214.52, 26,515.80 and 10,831.02

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Solution

The fourth proportional to 19,214.52, 26,515.80 and 10,831.02 is: 14,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.52 : 26,515.80 = 10,831.02 : x
  2. Step 2: Convert to fraction form
    19,214.52/26,515.80 = 10,831.02/x
  3. Step 3: Cross multiply
    19,214.52x = 26,515.80 × 10,831.02
  4. Step 4: Simplify right side
    19,214.52x = 287,193,160.12
  5. Step 5: Solve for x
    x = 287,193,160.12/19,214.52
  6. Step 6: Final answer
    x = 14,946.67

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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.