Home / 13,934.84-19,230.01-7,561.43

Finding the Fourth Proportional to 13,934.84, 19,230.01 and 7,561.43

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Solution

The fourth proportional to 13,934.84, 19,230.01 and 7,561.43 is: 10,434.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.84 : 19,230.01 = 7,561.43 : x
  2. Step 2: Convert to fraction form
    13,934.84/19,230.01 = 7,561.43/x
  3. Step 3: Cross multiply
    13,934.84x = 19,230.01 × 7,561.43
  4. Step 4: Simplify right side
    13,934.84x = 145,406,374.51
  5. Step 5: Solve for x
    x = 145,406,374.51/13,934.84
  6. Step 6: Final answer
    x = 10,434.74

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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.