Home / 15,422.23-23,129.70-7,097.05

Finding the Fourth Proportional to 15,422.23, 23,129.70 and 7,097.05

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Solution

The fourth proportional to 15,422.23, 23,129.70 and 7,097.05 is: 10,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.23 : 23,129.70 = 7,097.05 : x
  2. Step 2: Convert to fraction form
    15,422.23/23,129.70 = 7,097.05/x
  3. Step 3: Cross multiply
    15,422.23x = 23,129.70 × 7,097.05
  4. Step 4: Simplify right side
    15,422.23x = 164,152,637.39
  5. Step 5: Solve for x
    x = 164,152,637.39/15,422.23
  6. Step 6: Final answer
    x = 10,643.90

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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.