Home / 14,536.40-21,804.60-9,870.80

Finding the Fourth Proportional to 14,536.40, 21,804.60 and 9,870.80

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Solution

The fourth proportional to 14,536.40, 21,804.60 and 9,870.80 is: 14,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,536.40 : 21,804.60 = 9,870.80 : x
  2. Step 2: Convert to fraction form
    14,536.40/21,804.60 = 9,870.80/x
  3. Step 3: Cross multiply
    14,536.40x = 21,804.60 × 9,870.80
  4. Step 4: Simplify right side
    14,536.40x = 215,228,845.68
  5. Step 5: Solve for x
    x = 215,228,845.68/14,536.40
  6. Step 6: Final answer
    x = 14,806.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.