Home / 14,396.10-19,865.16-10,621.32

Finding the Fourth Proportional to 14,396.10, 19,865.16 and 10,621.32

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Solution

The fourth proportional to 14,396.10, 19,865.16 and 10,621.32 is: 14,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.10 : 19,865.16 = 10,621.32 : x
  2. Step 2: Convert to fraction form
    14,396.10/19,865.16 = 10,621.32/x
  3. Step 3: Cross multiply
    14,396.10x = 19,865.16 × 10,621.32
  4. Step 4: Simplify right side
    14,396.10x = 210,994,221.21
  5. Step 5: Solve for x
    x = 210,994,221.21/14,396.10
  6. Step 6: Final answer
    x = 14,656.35

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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.