Home / 13,810.48-20,701.04-9,417.04

Finding the Fourth Proportional to 13,810.48, 20,701.04 and 9,417.04

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Solution

The fourth proportional to 13,810.48, 20,701.04 and 9,417.04 is: 14,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.48 : 20,701.04 = 9,417.04 : x
  2. Step 2: Convert to fraction form
    13,810.48/20,701.04 = 9,417.04/x
  3. Step 3: Cross multiply
    13,810.48x = 20,701.04 × 9,417.04
  4. Step 4: Simplify right side
    13,810.48x = 194,942,521.72
  5. Step 5: Solve for x
    x = 194,942,521.72/13,810.48
  6. Step 6: Final answer
    x = 14,115.55

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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.