Home / 19,411.64-26,787.48-10,913.84

Finding the Fourth Proportional to 19,411.64, 26,787.48 and 10,913.84

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Solution

The fourth proportional to 19,411.64, 26,787.48 and 10,913.84 is: 15,060.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.64 : 26,787.48 = 10,913.84 : x
  2. Step 2: Convert to fraction form
    19,411.64/26,787.48 = 10,913.84/x
  3. Step 3: Cross multiply
    19,411.64x = 26,787.48 × 10,913.84
  4. Step 4: Simplify right side
    19,411.64x = 292,354,270.72
  5. Step 5: Solve for x
    x = 292,354,270.72/19,411.64
  6. Step 6: Final answer
    x = 15,060.77

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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.