Home / 19,036.81-28,547.92-7,948.72

Finding the Fourth Proportional to 19,036.81, 28,547.92 and 7,948.72

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Solution

The fourth proportional to 19,036.81, 28,547.92 and 7,948.72 is: 11,920.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.81 : 28,547.92 = 7,948.72 : x
  2. Step 2: Convert to fraction form
    19,036.81/28,547.92 = 7,948.72/x
  3. Step 3: Cross multiply
    19,036.81x = 28,547.92 × 7,948.72
  4. Step 4: Simplify right side
    19,036.81x = 226,919,422.66
  5. Step 5: Solve for x
    x = 226,919,422.66/19,036.81
  6. Step 6: Final answer
    x = 11,920.03

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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.