Home / 19,303.68-26,640.18-14,579.76

Finding the Fourth Proportional to 19,303.68, 26,640.18 and 14,579.76

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Solution

The fourth proportional to 19,303.68, 26,640.18 and 14,579.76 is: 20,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.68 : 26,640.18 = 14,579.76 : x
  2. Step 2: Convert to fraction form
    19,303.68/26,640.18 = 14,579.76/x
  3. Step 3: Cross multiply
    19,303.68x = 26,640.18 × 14,579.76
  4. Step 4: Simplify right side
    19,303.68x = 388,407,430.76
  5. Step 5: Solve for x
    x = 388,407,430.76/19,303.68
  6. Step 6: Final answer
    x = 20,120.90

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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.