Home / 19,816.52-29,547.61-19,272.20

Finding the Fourth Proportional to 19,816.52, 29,547.61 and 19,272.20

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Solution

The fourth proportional to 19,816.52, 29,547.61 and 19,272.20 is: 28,736.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.52 : 29,547.61 = 19,272.20 : x
  2. Step 2: Convert to fraction form
    19,816.52/29,547.61 = 19,272.20/x
  3. Step 3: Cross multiply
    19,816.52x = 29,547.61 × 19,272.20
  4. Step 4: Simplify right side
    19,816.52x = 569,447,449.44
  5. Step 5: Solve for x
    x = 569,447,449.44/19,816.52
  6. Step 6: Final answer
    x = 28,736.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.