Home / 14,698.07-20,283.40-7,983.81

Finding the Fourth Proportional to 14,698.07, 20,283.40 and 7,983.81

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Solution

The fourth proportional to 14,698.07, 20,283.40 and 7,983.81 is: 11,017.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,698.07 : 20,283.40 = 7,983.81 : x
  2. Step 2: Convert to fraction form
    14,698.07/20,283.40 = 7,983.81/x
  3. Step 3: Cross multiply
    14,698.07x = 20,283.40 × 7,983.81
  4. Step 4: Simplify right side
    14,698.07x = 161,938,811.75
  5. Step 5: Solve for x
    x = 161,938,811.75/14,698.07
  6. Step 6: Final answer
    x = 11,017.69

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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.