Home / 14,517.07-21,779.25-7,125.01

Finding the Fourth Proportional to 14,517.07, 21,779.25 and 7,125.01

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Solution

The fourth proportional to 14,517.07, 21,779.25 and 7,125.01 is: 10,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.07 : 21,779.25 = 7,125.01 : x
  2. Step 2: Convert to fraction form
    14,517.07/21,779.25 = 7,125.01/x
  3. Step 3: Cross multiply
    14,517.07x = 21,779.25 × 7,125.01
  4. Step 4: Simplify right side
    14,517.07x = 155,177,374.04
  5. Step 5: Solve for x
    x = 155,177,374.04/14,517.07
  6. Step 6: Final answer
    x = 10,689.30

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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.