Home / 14,124.57-19,492.47-7,751.39

Finding the Fourth Proportional to 14,124.57, 19,492.47 and 7,751.39

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Solution

The fourth proportional to 14,124.57, 19,492.47 and 7,751.39 is: 10,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.57 : 19,492.47 = 7,751.39 : x
  2. Step 2: Convert to fraction form
    14,124.57/19,492.47 = 7,751.39/x
  3. Step 3: Cross multiply
    14,124.57x = 19,492.47 × 7,751.39
  4. Step 4: Simplify right side
    14,124.57x = 151,093,639.57
  5. Step 5: Solve for x
    x = 151,093,639.57/14,124.57
  6. Step 6: Final answer
    x = 10,697.22

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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.