Home / 34,322.51-47,365.86-19,214.78

Finding the Fourth Proportional to 34,322.51, 47,365.86 and 19,214.78

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Solution

The fourth proportional to 34,322.51, 47,365.86 and 19,214.78 is: 26,516.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,322.51 : 47,365.86 = 19,214.78 : x
  2. Step 2: Convert to fraction form
    34,322.51/47,365.86 = 19,214.78/x
  3. Step 3: Cross multiply
    34,322.51x = 47,365.86 × 19,214.78
  4. Step 4: Simplify right side
    34,322.51x = 910,124,579.41
  5. Step 5: Solve for x
    x = 910,124,579.41/34,322.51
  6. Step 6: Final answer
    x = 26,516.84

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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.