Home / 19,510.45-26,924.20-10,557.79

Finding the Fourth Proportional to 19,510.45, 26,924.20 and 10,557.79

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Solution

The fourth proportional to 19,510.45, 26,924.20 and 10,557.79 is: 14,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,510.45 : 26,924.20 = 10,557.79 : x
  2. Step 2: Convert to fraction form
    19,510.45/26,924.20 = 10,557.79/x
  3. Step 3: Cross multiply
    19,510.45x = 26,924.20 × 10,557.79
  4. Step 4: Simplify right side
    19,510.45x = 284,259,955.81
  5. Step 5: Solve for x
    x = 284,259,955.81/19,510.45
  6. Step 6: Final answer
    x = 14,569.63

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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.