Home / 14,160.48-19,541.58-7,787.22

Finding the Fourth Proportional to 14,160.48, 19,541.58 and 7,787.22

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Solution

The fourth proportional to 14,160.48, 19,541.58 and 7,787.22 is: 10,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.48 : 19,541.58 = 7,787.22 : x
  2. Step 2: Convert to fraction form
    14,160.48/19,541.58 = 7,787.22/x
  3. Step 3: Cross multiply
    14,160.48x = 19,541.58 × 7,787.22
  4. Step 4: Simplify right side
    14,160.48x = 152,174,582.61
  5. Step 5: Solve for x
    x = 152,174,582.61/14,160.48
  6. Step 6: Final answer
    x = 10,746.43

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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.