Home / 13,114.08-19,670.40-5,323.68

Finding the Fourth Proportional to 13,114.08, 19,670.40 and 5,323.68

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Solution

The fourth proportional to 13,114.08, 19,670.40 and 5,323.68 is: 7,985.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.08 : 19,670.40 = 5,323.68 : x
  2. Step 2: Convert to fraction form
    13,114.08/19,670.40 = 5,323.68/x
  3. Step 3: Cross multiply
    13,114.08x = 19,670.40 × 5,323.68
  4. Step 4: Simplify right side
    13,114.08x = 104,718,915.07
  5. Step 5: Solve for x
    x = 104,718,915.07/13,114.08
  6. Step 6: Final answer
    x = 7,985.23

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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.