Home / 25,153.40-37,730.10-13,343.60

Finding the Fourth Proportional to 25,153.40, 37,730.10 and 13,343.60

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Solution

The fourth proportional to 25,153.40, 37,730.10 and 13,343.60 is: 20,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.40 : 37,730.10 = 13,343.60 : x
  2. Step 2: Convert to fraction form
    25,153.40/37,730.10 = 13,343.60/x
  3. Step 3: Cross multiply
    25,153.40x = 37,730.10 × 13,343.60
  4. Step 4: Simplify right side
    25,153.40x = 503,455,362.36
  5. Step 5: Solve for x
    x = 503,455,362.36/25,153.40
  6. Step 6: Final answer
    x = 20,015.40

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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.