Home / 19,184.68-28,647.57-15,681.53

Finding the Fourth Proportional to 19,184.68, 28,647.57 and 15,681.53

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Solution

The fourth proportional to 19,184.68, 28,647.57 and 15,681.53 is: 23,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.68 : 28,647.57 = 15,681.53 : x
  2. Step 2: Convert to fraction form
    19,184.68/28,647.57 = 15,681.53/x
  3. Step 3: Cross multiply
    19,184.68x = 28,647.57 × 15,681.53
  4. Step 4: Simplify right side
    19,184.68x = 449,237,726.49
  5. Step 5: Solve for x
    x = 449,237,726.49/19,184.68
  6. Step 6: Final answer
    x = 23,416.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.