Home / 19,531.60-26,953.36-10,578.87

Finding the Fourth Proportional to 19,531.60, 26,953.36 and 10,578.87

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Solution

The fourth proportional to 19,531.60, 26,953.36 and 10,578.87 is: 14,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.60 : 26,953.36 = 10,578.87 : x
  2. Step 2: Convert to fraction form
    19,531.60/26,953.36 = 10,578.87/x
  3. Step 3: Cross multiply
    19,531.60x = 26,953.36 × 10,578.87
  4. Step 4: Simplify right side
    19,531.60x = 285,136,065.06
  5. Step 5: Solve for x
    x = 285,136,065.06/19,531.60
  6. Step 6: Final answer
    x = 14,598.71

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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.