Home / 19,214.19-28,745.28-14,547.69

Finding the Fourth Proportional to 19,214.19, 28,745.28 and 14,547.69

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Solution

The fourth proportional to 19,214.19, 28,745.28 and 14,547.69 is: 21,763.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.19 : 28,745.28 = 14,547.69 : x
  2. Step 2: Convert to fraction form
    19,214.19/28,745.28 = 14,547.69/x
  3. Step 3: Cross multiply
    19,214.19x = 28,745.28 × 14,547.69
  4. Step 4: Simplify right side
    19,214.19x = 418,177,422.40
  5. Step 5: Solve for x
    x = 418,177,422.40/19,214.19
  6. Step 6: Final answer
    x = 21,763.99

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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.