Home / 13,411.48-20,117.37-4,051.57

Finding the Fourth Proportional to 13,411.48, 20,117.37 and 4,051.57

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Solution

The fourth proportional to 13,411.48, 20,117.37 and 4,051.57 is: 6,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411.48 : 20,117.37 = 4,051.57 : x
  2. Step 2: Convert to fraction form
    13,411.48/20,117.37 = 4,051.57/x
  3. Step 3: Cross multiply
    13,411.48x = 20,117.37 × 4,051.57
  4. Step 4: Simplify right side
    13,411.48x = 81,506,972.94
  5. Step 5: Solve for x
    x = 81,506,972.94/13,411.48
  6. Step 6: Final answer
    x = 6,077.40

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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.