Home / 14,242.10-21,366.51-5,477.30

Finding the Fourth Proportional to 14,242.10, 21,366.51 and 5,477.30

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Solution

The fourth proportional to 14,242.10, 21,366.51 and 5,477.30 is: 8,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.10 : 21,366.51 = 5,477.30 : x
  2. Step 2: Convert to fraction form
    14,242.10/21,366.51 = 5,477.30/x
  3. Step 3: Cross multiply
    14,242.10x = 21,366.51 × 5,477.30
  4. Step 4: Simplify right side
    14,242.10x = 117,030,785.22
  5. Step 5: Solve for x
    x = 117,030,785.22/14,242.10
  6. Step 6: Final answer
    x = 8,217.24

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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.