Home / 15,970.52-22,038.36-8,895.68

Finding the Fourth Proportional to 15,970.52, 22,038.36 and 8,895.68

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Solution

The fourth proportional to 15,970.52, 22,038.36 and 8,895.68 is: 12,275.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,970.52 : 22,038.36 = 8,895.68 : x
  2. Step 2: Convert to fraction form
    15,970.52/22,038.36 = 8,895.68/x
  3. Step 3: Cross multiply
    15,970.52x = 22,038.36 × 8,895.68
  4. Step 4: Simplify right side
    15,970.52x = 196,046,198.28
  5. Step 5: Solve for x
    x = 196,046,198.28/15,970.52
  6. Step 6: Final answer
    x = 12,275.51

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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.