Home / 34,688.02-47,869.48-18,772.42

Finding the Fourth Proportional to 34,688.02, 47,869.48 and 18,772.42

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Solution

The fourth proportional to 34,688.02, 47,869.48 and 18,772.42 is: 25,905.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,688.02 : 47,869.48 = 18,772.42 : x
  2. Step 2: Convert to fraction form
    34,688.02/47,869.48 = 18,772.42/x
  3. Step 3: Cross multiply
    34,688.02x = 47,869.48 × 18,772.42
  4. Step 4: Simplify right side
    34,688.02x = 898,625,983.74
  5. Step 5: Solve for x
    x = 898,625,983.74/34,688.02
  6. Step 6: Final answer
    x = 25,905.95

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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.