Home / 19,542.71-29,313.65-4,751.70

Finding the Fourth Proportional to 19,542.71, 29,313.65 and 4,751.70

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Solution

The fourth proportional to 19,542.71, 29,313.65 and 4,751.70 is: 7,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.71 : 29,313.65 = 4,751.70 : x
  2. Step 2: Convert to fraction form
    19,542.71/29,313.65 = 4,751.70/x
  3. Step 3: Cross multiply
    19,542.71x = 29,313.65 × 4,751.70
  4. Step 4: Simplify right side
    19,542.71x = 139,289,646.95
  5. Step 5: Solve for x
    x = 139,289,646.95/19,542.71
  6. Step 6: Final answer
    x = 7,127.45

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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.