Home / 19,810.18-27,338.00-11,852.40

Finding the Fourth Proportional to 19,810.18, 27,338.00 and 11,852.40

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Solution

The fourth proportional to 19,810.18, 27,338.00 and 11,852.40 is: 16,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.18 : 27,338.00 = 11,852.40 : x
  2. Step 2: Convert to fraction form
    19,810.18/27,338.00 = 11,852.40/x
  3. Step 3: Cross multiply
    19,810.18x = 27,338.00 × 11,852.40
  4. Step 4: Simplify right side
    19,810.18x = 324,020,851.94
  5. Step 5: Solve for x
    x = 324,020,851.94/19,810.18
  6. Step 6: Final answer
    x = 16,356.28

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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.