Home / 19,547.16-29,313.42-7,856.44

Finding the Fourth Proportional to 19,547.16, 29,313.42 and 7,856.44

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Solution

The fourth proportional to 19,547.16, 29,313.42 and 7,856.44 is: 11,781.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,547.16 : 29,313.42 = 7,856.44 : x
  2. Step 2: Convert to fraction form
    19,547.16/29,313.42 = 7,856.44/x
  3. Step 3: Cross multiply
    19,547.16x = 29,313.42 × 7,856.44
  4. Step 4: Simplify right side
    19,547.16x = 230,299,125.42
  5. Step 5: Solve for x
    x = 230,299,125.42/19,547.16
  6. Step 6: Final answer
    x = 11,781.72

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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.