Home / 14,925.36-20,597.16-8,211.60

Finding the Fourth Proportional to 14,925.36, 20,597.16 and 8,211.60

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Solution

The fourth proportional to 14,925.36, 20,597.16 and 8,211.60 is: 11,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,925.36 : 20,597.16 = 8,211.60 : x
  2. Step 2: Convert to fraction form
    14,925.36/20,597.16 = 8,211.60/x
  3. Step 3: Cross multiply
    14,925.36x = 20,597.16 × 8,211.60
  4. Step 4: Simplify right side
    14,925.36x = 169,135,639.06
  5. Step 5: Solve for x
    x = 169,135,639.06/14,925.36
  6. Step 6: Final answer
    x = 11,332.10

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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.