Home / 19,113.63-26,378.16-11,560.29

Finding the Fourth Proportional to 19,113.63, 26,378.16 and 11,560.29

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Solution

The fourth proportional to 19,113.63, 26,378.16 and 11,560.29 is: 15,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.63 : 26,378.16 = 11,560.29 : x
  2. Step 2: Convert to fraction form
    19,113.63/26,378.16 = 11,560.29/x
  3. Step 3: Cross multiply
    19,113.63x = 26,378.16 × 11,560.29
  4. Step 4: Simplify right side
    19,113.63x = 304,939,179.27
  5. Step 5: Solve for x
    x = 304,939,179.27/19,113.63
  6. Step 6: Final answer
    x = 15,954.02

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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.