Home / 14,366.09-19,813.96-9,831.45

Finding the Fourth Proportional to 14,366.09, 19,813.96 and 9,831.45

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Solution

The fourth proportional to 14,366.09, 19,813.96 and 9,831.45 is: 13,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366.09 : 19,813.96 = 9,831.45 : x
  2. Step 2: Convert to fraction form
    14,366.09/19,813.96 = 9,831.45/x
  3. Step 3: Cross multiply
    14,366.09x = 19,813.96 × 9,831.45
  4. Step 4: Simplify right side
    14,366.09x = 194,799,882.93
  5. Step 5: Solve for x
    x = 194,799,882.93/14,366.09
  6. Step 6: Final answer
    x = 13,559.70

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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.