Home / 19,515.09-29,275.71-6,364.41

Finding the Fourth Proportional to 19,515.09, 29,275.71 and 6,364.41

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Solution

The fourth proportional to 19,515.09, 29,275.71 and 6,364.41 is: 9,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.09 : 29,275.71 = 6,364.41 : x
  2. Step 2: Convert to fraction form
    19,515.09/29,275.71 = 6,364.41/x
  3. Step 3: Cross multiply
    19,515.09x = 29,275.71 × 6,364.41
  4. Step 4: Simplify right side
    19,515.09x = 186,322,621.48
  5. Step 5: Solve for x
    x = 186,322,621.48/19,515.09
  6. Step 6: Final answer
    x = 9,547.62

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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.