Home / 13,047.91-19,547.26-10,111.87

Finding the Fourth Proportional to 13,047.91, 19,547.26 and 10,111.87

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Solution

The fourth proportional to 13,047.91, 19,547.26 and 10,111.87 is: 15,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.91 : 19,547.26 = 10,111.87 : x
  2. Step 2: Convert to fraction form
    13,047.91/19,547.26 = 10,111.87/x
  3. Step 3: Cross multiply
    13,047.91x = 19,547.26 × 10,111.87
  4. Step 4: Simplify right side
    13,047.91x = 197,659,254.24
  5. Step 5: Solve for x
    x = 197,659,254.24/13,047.91
  6. Step 6: Final answer
    x = 15,148.73

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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.