Home / 19,531.32-26,953.28-10,578.79

Finding the Fourth Proportional to 19,531.32, 26,953.28 and 10,578.79

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Solution

The fourth proportional to 19,531.32, 26,953.28 and 10,578.79 is: 14,598.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.32 : 26,953.28 = 10,578.79 : x
  2. Step 2: Convert to fraction form
    19,531.32/26,953.28 = 10,578.79/x
  3. Step 3: Cross multiply
    19,531.32x = 26,953.28 × 10,578.79
  4. Step 4: Simplify right side
    19,531.32x = 285,133,088.93
  5. Step 5: Solve for x
    x = 285,133,088.93/19,531.32
  6. Step 6: Final answer
    x = 14,598.76

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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.