Home / 14,925.52-20,597.69-8,211.63

Finding the Fourth Proportional to 14,925.52, 20,597.69 and 8,211.63

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Solution

The fourth proportional to 14,925.52, 20,597.69 and 8,211.63 is: 11,332.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,925.52 : 20,597.69 = 8,211.63 : x
  2. Step 2: Convert to fraction form
    14,925.52/20,597.69 = 8,211.63/x
  3. Step 3: Cross multiply
    14,925.52x = 20,597.69 × 8,211.63
  4. Step 4: Simplify right side
    14,925.52x = 169,140,591.04
  5. Step 5: Solve for x
    x = 169,140,591.04/14,925.52
  6. Step 6: Final answer
    x = 11,332.31

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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.