Home / 19,000.16-26,218.32-10,615.04

Finding the Fourth Proportional to 19,000.16, 26,218.32 and 10,615.04

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Solution

The fourth proportional to 19,000.16, 26,218.32 and 10,615.04 is: 14,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.16 : 26,218.32 = 10,615.04 : x
  2. Step 2: Convert to fraction form
    19,000.16/26,218.32 = 10,615.04/x
  3. Step 3: Cross multiply
    19,000.16x = 26,218.32 × 10,615.04
  4. Step 4: Simplify right side
    19,000.16x = 278,308,515.53
  5. Step 5: Solve for x
    x = 278,308,515.53/19,000.16
  6. Step 6: Final answer
    x = 14,647.69

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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.