Home / 18,875.48-28,313.19-4,834.98

Finding the Fourth Proportional to 18,875.48, 28,313.19 and 4,834.98

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Solution

The fourth proportional to 18,875.48, 28,313.19 and 4,834.98 is: 7,252.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.48 : 28,313.19 = 4,834.98 : x
  2. Step 2: Convert to fraction form
    18,875.48/28,313.19 = 4,834.98/x
  3. Step 3: Cross multiply
    18,875.48x = 28,313.19 × 4,834.98
  4. Step 4: Simplify right side
    18,875.48x = 136,893,707.39
  5. Step 5: Solve for x
    x = 136,893,707.39/18,875.48
  6. Step 6: Final answer
    x = 7,252.46

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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.