Home / 14,756.59-20,371.47-9,384.43

Finding the Fourth Proportional to 14,756.59, 20,371.47 and 9,384.43

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Solution

The fourth proportional to 14,756.59, 20,371.47 and 9,384.43 is: 12,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,756.59 : 20,371.47 = 9,384.43 : x
  2. Step 2: Convert to fraction form
    14,756.59/20,371.47 = 9,384.43/x
  3. Step 3: Cross multiply
    14,756.59x = 20,371.47 × 9,384.43
  4. Step 4: Simplify right side
    14,756.59x = 191,174,618.48
  5. Step 5: Solve for x
    x = 191,174,618.48/14,756.59
  6. Step 6: Final answer
    x = 12,955.21

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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.