Home / 14,567.40-21,834.90-7,998.30

Finding the Fourth Proportional to 14,567.40, 21,834.90 and 7,998.30

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Solution

The fourth proportional to 14,567.40, 21,834.90 and 7,998.30 is: 11,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.40 : 21,834.90 = 7,998.30 : x
  2. Step 2: Convert to fraction form
    14,567.40/21,834.90 = 7,998.30/x
  3. Step 3: Cross multiply
    14,567.40x = 21,834.90 × 7,998.30
  4. Step 4: Simplify right side
    14,567.40x = 174,642,080.67
  5. Step 5: Solve for x
    x = 174,642,080.67/14,567.40
  6. Step 6: Final answer
    x = 11,988.56

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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.