Home / 14,182.38-19,547.19-10,639.44

Finding the Fourth Proportional to 14,182.38, 19,547.19 and 10,639.44

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Solution

The fourth proportional to 14,182.38, 19,547.19 and 10,639.44 is: 14,664.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.38 : 19,547.19 = 10,639.44 : x
  2. Step 2: Convert to fraction form
    14,182.38/19,547.19 = 10,639.44/x
  3. Step 3: Cross multiply
    14,182.38x = 19,547.19 × 10,639.44
  4. Step 4: Simplify right side
    14,182.38x = 207,971,155.17
  5. Step 5: Solve for x
    x = 207,971,155.17/14,182.38
  6. Step 6: Final answer
    x = 14,664.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.