Home / 19,309.68-26,648.46-14,585.76

Finding the Fourth Proportional to 19,309.68, 26,648.46 and 14,585.76

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Solution

The fourth proportional to 19,309.68, 26,648.46 and 14,585.76 is: 20,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.68 : 26,648.46 = 14,585.76 : x
  2. Step 2: Convert to fraction form
    19,309.68/26,648.46 = 14,585.76/x
  3. Step 3: Cross multiply
    19,309.68x = 26,648.46 × 14,585.76
  4. Step 4: Simplify right side
    19,309.68x = 388,688,041.93
  5. Step 5: Solve for x
    x = 388,688,041.93/19,309.68
  6. Step 6: Final answer
    x = 20,129.18

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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.