Home / 14,318.69-19,769.64-10,955.63

Finding the Fourth Proportional to 14,318.69, 19,769.64 and 10,955.63

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Solution

The fourth proportional to 14,318.69, 19,769.64 and 10,955.63 is: 15,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.69 : 19,769.64 = 10,955.63 : x
  2. Step 2: Convert to fraction form
    14,318.69/19,769.64 = 10,955.63/x
  3. Step 3: Cross multiply
    14,318.69x = 19,769.64 × 10,955.63
  4. Step 4: Simplify right side
    14,318.69x = 216,588,861.07
  5. Step 5: Solve for x
    x = 216,588,861.07/14,318.69
  6. Step 6: Final answer
    x = 15,126.30

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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.