Home / 19,862.04-27,410.09-10,787.77

Finding the Fourth Proportional to 19,862.04, 27,410.09 and 10,787.77

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Solution

The fourth proportional to 19,862.04, 27,410.09 and 10,787.77 is: 14,887.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.04 : 27,410.09 = 10,787.77 : x
  2. Step 2: Convert to fraction form
    19,862.04/27,410.09 = 10,787.77/x
  3. Step 3: Cross multiply
    19,862.04x = 27,410.09 × 10,787.77
  4. Step 4: Simplify right side
    19,862.04x = 295,693,746.60
  5. Step 5: Solve for x
    x = 295,693,746.60/19,862.04
  6. Step 6: Final answer
    x = 14,887.38

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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.