Home / 19,990.16-27,586.85-11,038.23

Finding the Fourth Proportional to 19,990.16, 27,586.85 and 11,038.23

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Solution

The fourth proportional to 19,990.16, 27,586.85 and 11,038.23 is: 15,233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,990.16 : 27,586.85 = 11,038.23 : x
  2. Step 2: Convert to fraction form
    19,990.16/27,586.85 = 11,038.23/x
  3. Step 3: Cross multiply
    19,990.16x = 27,586.85 × 11,038.23
  4. Step 4: Simplify right side
    19,990.16x = 304,509,940.08
  5. Step 5: Solve for x
    x = 304,509,940.08/19,990.16
  6. Step 6: Final answer
    x = 15,233.00

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Double scale
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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.