Home / 19,823.19-27,356.04-10,870.76

Finding the Fourth Proportional to 19,823.19, 27,356.04 and 10,870.76

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Solution

The fourth proportional to 19,823.19, 27,356.04 and 10,870.76 is: 15,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.19 : 27,356.04 = 10,870.76 : x
  2. Step 2: Convert to fraction form
    19,823.19/27,356.04 = 10,870.76/x
  3. Step 3: Cross multiply
    19,823.19x = 27,356.04 × 10,870.76
  4. Step 4: Simplify right side
    19,823.19x = 297,380,840.79
  5. Step 5: Solve for x
    x = 297,380,840.79/19,823.19
  6. Step 6: Final answer
    x = 15,001.66

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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.