Home / 24,689.94-34,070.81-13,509.78

Finding the Fourth Proportional to 24,689.94, 34,070.81 and 13,509.78

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Solution

The fourth proportional to 24,689.94, 34,070.81 and 13,509.78 is: 18,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,689.94 : 34,070.81 = 13,509.78 : x
  2. Step 2: Convert to fraction form
    24,689.94/34,070.81 = 13,509.78/x
  3. Step 3: Cross multiply
    24,689.94x = 34,070.81 × 13,509.78
  4. Step 4: Simplify right side
    24,689.94x = 460,289,147.52
  5. Step 5: Solve for x
    x = 460,289,147.52/24,689.94
  6. Step 6: Final answer
    x = 18,642.78

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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.