Home / 15,695.23-21,603.08-14,199.97

Finding the Fourth Proportional to 15,695.23, 21,603.08 and 14,199.97

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Solution

The fourth proportional to 15,695.23, 21,603.08 and 14,199.97 is: 19,544.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695.23 : 21,603.08 = 14,199.97 : x
  2. Step 2: Convert to fraction form
    15,695.23/21,603.08 = 14,199.97/x
  3. Step 3: Cross multiply
    15,695.23x = 21,603.08 × 14,199.97
  4. Step 4: Simplify right side
    15,695.23x = 306,762,908.89
  5. Step 5: Solve for x
    x = 306,762,908.89/15,695.23
  6. Step 6: Final answer
    x = 19,544.98

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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.