Home / 13,113.24-19,673.51-5,718.35

Finding the Fourth Proportional to 13,113.24, 19,673.51 and 5,718.35

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Solution

The fourth proportional to 13,113.24, 19,673.51 and 5,718.35 is: 8,579.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.24 : 19,673.51 = 5,718.35 : x
  2. Step 2: Convert to fraction form
    13,113.24/19,673.51 = 5,718.35/x
  3. Step 3: Cross multiply
    13,113.24x = 19,673.51 × 5,718.35
  4. Step 4: Simplify right side
    13,113.24x = 112,499,888.95
  5. Step 5: Solve for x
    x = 112,499,888.95/13,113.24
  6. Step 6: Final answer
    x = 8,579.11

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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.