Home / 19,090.16-28,763.96-15,830.72

Finding the Fourth Proportional to 19,090.16, 28,763.96 and 15,830.72

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Solution

The fourth proportional to 19,090.16, 28,763.96 and 15,830.72 is: 23,852.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.16 : 28,763.96 = 15,830.72 : x
  2. Step 2: Convert to fraction form
    19,090.16/28,763.96 = 15,830.72/x
  3. Step 3: Cross multiply
    19,090.16x = 28,763.96 × 15,830.72
  4. Step 4: Simplify right side
    19,090.16x = 455,354,092.61
  5. Step 5: Solve for x
    x = 455,354,092.61/19,090.16
  6. Step 6: Final answer
    x = 23,852.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.