Home / 14,270.05-19,711.49-10,953.84

Finding the Fourth Proportional to 14,270.05, 19,711.49 and 10,953.84

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Solution

The fourth proportional to 14,270.05, 19,711.49 and 10,953.84 is: 15,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.05 : 19,711.49 = 10,953.84 : x
  2. Step 2: Convert to fraction form
    14,270.05/19,711.49 = 10,953.84/x
  3. Step 3: Cross multiply
    14,270.05x = 19,711.49 × 10,953.84
  4. Step 4: Simplify right side
    14,270.05x = 215,916,535.01
  5. Step 5: Solve for x
    x = 215,916,535.01/14,270.05
  6. Step 6: Final answer
    x = 15,130.75

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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.