Home / 13,323.49-19,985.23-6,751.55

Finding the Fourth Proportional to 13,323.49, 19,985.23 and 6,751.55

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Solution

The fourth proportional to 13,323.49, 19,985.23 and 6,751.55 is: 10,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.49 : 19,985.23 = 6,751.55 : x
  2. Step 2: Convert to fraction form
    13,323.49/19,985.23 = 6,751.55/x
  3. Step 3: Cross multiply
    13,323.49x = 19,985.23 × 6,751.55
  4. Step 4: Simplify right side
    13,323.49x = 134,931,279.61
  5. Step 5: Solve for x
    x = 134,931,279.61/13,323.49
  6. Step 6: Final answer
    x = 10,127.32

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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.