Home / 19,515.10-29,275.72-6,364.42

Finding the Fourth Proportional to 19,515.10, 29,275.72 and 6,364.42

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Solution

The fourth proportional to 19,515.10, 29,275.72 and 6,364.42 is: 9,547.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.10 : 29,275.72 = 6,364.42 : x
  2. Step 2: Convert to fraction form
    19,515.10/29,275.72 = 6,364.42/x
  3. Step 3: Cross multiply
    19,515.10x = 29,275.72 × 6,364.42
  4. Step 4: Simplify right side
    19,515.10x = 186,322,977.88
  5. Step 5: Solve for x
    x = 186,322,977.88/19,515.10
  6. Step 6: Final answer
    x = 9,547.63

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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.