Home / 13,926.79-19,219.02-7,553.43

Finding the Fourth Proportional to 13,926.79, 19,219.02 and 7,553.43

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Solution

The fourth proportional to 13,926.79, 19,219.02 and 7,553.43 is: 10,423.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.79 : 19,219.02 = 7,553.43 : x
  2. Step 2: Convert to fraction form
    13,926.79/19,219.02 = 7,553.43/x
  3. Step 3: Cross multiply
    13,926.79x = 19,219.02 × 7,553.43
  4. Step 4: Simplify right side
    13,926.79x = 145,169,482.35
  5. Step 5: Solve for x
    x = 145,169,482.35/13,926.79
  6. Step 6: Final answer
    x = 10,423.76

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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.