Home / 19,935.23-27,487.80-14,890.95

Finding the Fourth Proportional to 19,935.23, 27,487.80 and 14,890.95

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Solution

The fourth proportional to 19,935.23, 27,487.80 and 14,890.95 is: 20,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.23 : 27,487.80 = 14,890.95 : x
  2. Step 2: Convert to fraction form
    19,935.23/27,487.80 = 14,890.95/x
  3. Step 3: Cross multiply
    19,935.23x = 27,487.80 × 14,890.95
  4. Step 4: Simplify right side
    19,935.23x = 409,319,455.41
  5. Step 5: Solve for x
    x = 409,319,455.41/19,935.23
  6. Step 6: Final answer
    x = 20,532.47

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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.