Home / 19,043.84-28,547.21-7,953.69

Finding the Fourth Proportional to 19,043.84, 28,547.21 and 7,953.69

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Solution

The fourth proportional to 19,043.84, 28,547.21 and 7,953.69 is: 11,922.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.84 : 28,547.21 = 7,953.69 : x
  2. Step 2: Convert to fraction form
    19,043.84/28,547.21 = 7,953.69/x
  3. Step 3: Cross multiply
    19,043.84x = 28,547.21 × 7,953.69
  4. Step 4: Simplify right side
    19,043.84x = 227,055,618.94
  5. Step 5: Solve for x
    x = 227,055,618.94/19,043.84
  6. Step 6: Final answer
    x = 11,922.79

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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.