Home / 18,369.45-25,349.36-10,412.01

Finding the Fourth Proportional to 18,369.45, 25,349.36 and 10,412.01

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Solution

The fourth proportional to 18,369.45, 25,349.36 and 10,412.01 is: 14,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,369.45 : 25,349.36 = 10,412.01 : x
  2. Step 2: Convert to fraction form
    18,369.45/25,349.36 = 10,412.01/x
  3. Step 3: Cross multiply
    18,369.45x = 25,349.36 × 10,412.01
  4. Step 4: Simplify right side
    18,369.45x = 263,937,737.75
  5. Step 5: Solve for x
    x = 263,937,737.75/18,369.45
  6. Step 6: Final answer
    x = 14,368.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.