Home / 34,688.19-47,869.85-18,772.64

Finding the Fourth Proportional to 34,688.19, 47,869.85 and 18,772.64

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Solution

The fourth proportional to 34,688.19, 47,869.85 and 18,772.64 is: 25,906.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,688.19 : 47,869.85 = 18,772.64 : x
  2. Step 2: Convert to fraction form
    34,688.19/47,869.85 = 18,772.64/x
  3. Step 3: Cross multiply
    34,688.19x = 47,869.85 × 18,772.64
  4. Step 4: Simplify right side
    34,688.19x = 898,643,127.69
  5. Step 5: Solve for x
    x = 898,643,127.69/34,688.19
  6. Step 6: Final answer
    x = 25,906.32

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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.