Home / 15,395.40-23,035.32-9,132.48

Finding the Fourth Proportional to 15,395.40, 23,035.32 and 9,132.48

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Solution

The fourth proportional to 15,395.40, 23,035.32 and 9,132.48 is: 13,664.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395.40 : 23,035.32 = 9,132.48 : x
  2. Step 2: Convert to fraction form
    15,395.40/23,035.32 = 9,132.48/x
  3. Step 3: Cross multiply
    15,395.40x = 23,035.32 × 9,132.48
  4. Step 4: Simplify right side
    15,395.40x = 210,369,599.19
  5. Step 5: Solve for x
    x = 210,369,599.19/15,395.40
  6. Step 6: Final answer
    x = 13,664.45

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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.