Home / 15,023.72-22,428.10-13,055.96

Finding the Fourth Proportional to 15,023.72, 22,428.10 and 13,055.96

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Solution

The fourth proportional to 15,023.72, 22,428.10 and 13,055.96 is: 19,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,023.72 : 22,428.10 = 13,055.96 : x
  2. Step 2: Convert to fraction form
    15,023.72/22,428.10 = 13,055.96/x
  3. Step 3: Cross multiply
    15,023.72x = 22,428.10 × 13,055.96
  4. Step 4: Simplify right side
    15,023.72x = 292,820,376.48
  5. Step 5: Solve for x
    x = 292,820,376.48/15,023.72
  6. Step 6: Final answer
    x = 19,490.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.