Home / 16,746.95-23,140.28-13,190.65

Finding the Fourth Proportional to 16,746.95, 23,140.28 and 13,190.65

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Solution

The fourth proportional to 16,746.95, 23,140.28 and 13,190.65 is: 18,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,746.95 : 23,140.28 = 13,190.65 : x
  2. Step 2: Convert to fraction form
    16,746.95/23,140.28 = 13,190.65/x
  3. Step 3: Cross multiply
    16,746.95x = 23,140.28 × 13,190.65
  4. Step 4: Simplify right side
    16,746.95x = 305,235,309.51
  5. Step 5: Solve for x
    x = 305,235,309.51/16,746.95
  6. Step 6: Final answer
    x = 18,226.32

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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.