Home / 14,231.18-21,349.53-5,465.45

Finding the Fourth Proportional to 14,231.18, 21,349.53 and 5,465.45

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Solution

The fourth proportional to 14,231.18, 21,349.53 and 5,465.45 is: 8,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.18 : 21,349.53 = 5,465.45 : x
  2. Step 2: Convert to fraction form
    14,231.18/21,349.53 = 5,465.45/x
  3. Step 3: Cross multiply
    14,231.18x = 21,349.53 × 5,465.45
  4. Step 4: Simplify right side
    14,231.18x = 116,684,681.99
  5. Step 5: Solve for x
    x = 116,684,681.99/14,231.18
  6. Step 6: Final answer
    x = 8,199.23

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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.