Home / 25,123.03-37,684.59-18,804.49

Finding the Fourth Proportional to 25,123.03, 37,684.59 and 18,804.49

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Solution

The fourth proportional to 25,123.03, 37,684.59 and 18,804.49 is: 28,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,123.03 : 37,684.59 = 18,804.49 : x
  2. Step 2: Convert to fraction form
    25,123.03/37,684.59 = 18,804.49/x
  3. Step 3: Cross multiply
    25,123.03x = 37,684.59 × 18,804.49
  4. Step 4: Simplify right side
    25,123.03x = 708,639,495.81
  5. Step 5: Solve for x
    x = 708,639,495.81/25,123.03
  6. Step 6: Final answer
    x = 28,206.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.