Home / 18,417.90-27,637.65-6,732.30

Finding the Fourth Proportional to 18,417.90, 27,637.65 and 6,732.30

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Solution

The fourth proportional to 18,417.90, 27,637.65 and 6,732.30 is: 10,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.90 : 27,637.65 = 6,732.30 : x
  2. Step 2: Convert to fraction form
    18,417.90/27,637.65 = 6,732.30/x
  3. Step 3: Cross multiply
    18,417.90x = 27,637.65 × 6,732.30
  4. Step 4: Simplify right side
    18,417.90x = 186,064,951.10
  5. Step 5: Solve for x
    x = 186,064,951.10/18,417.90
  6. Step 6: Final answer
    x = 10,102.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.