Home / 13,364.50-18,421.76-10,527.38

Finding the Fourth Proportional to 13,364.50, 18,421.76 and 10,527.38

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Solution

The fourth proportional to 13,364.50, 18,421.76 and 10,527.38 is: 14,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.50 : 18,421.76 = 10,527.38 : x
  2. Step 2: Convert to fraction form
    13,364.50/18,421.76 = 10,527.38/x
  3. Step 3: Cross multiply
    13,364.50x = 18,421.76 × 10,527.38
  4. Step 4: Simplify right side
    13,364.50x = 193,932,940.16
  5. Step 5: Solve for x
    x = 193,932,940.16/13,364.50
  6. Step 6: Final answer
    x = 14,511.05

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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.