Home / 19,074.96-26,312.58-15,302.34

Finding the Fourth Proportional to 19,074.96, 26,312.58 and 15,302.34

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Solution

The fourth proportional to 19,074.96, 26,312.58 and 15,302.34 is: 21,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.96 : 26,312.58 = 15,302.34 : x
  2. Step 2: Convert to fraction form
    19,074.96/26,312.58 = 15,302.34/x
  3. Step 3: Cross multiply
    19,074.96x = 26,312.58 × 15,302.34
  4. Step 4: Simplify right side
    19,074.96x = 402,644,045.44
  5. Step 5: Solve for x
    x = 402,644,045.44/19,074.96
  6. Step 6: Final answer
    x = 21,108.51

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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.