Home / 19,152.33-28,669.10-10,365.45

Finding the Fourth Proportional to 19,152.33, 28,669.10 and 10,365.45

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Solution

The fourth proportional to 19,152.33, 28,669.10 and 10,365.45 is: 15,516.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.33 : 28,669.10 = 10,365.45 : x
  2. Step 2: Convert to fraction form
    19,152.33/28,669.10 = 10,365.45/x
  3. Step 3: Cross multiply
    19,152.33x = 28,669.10 × 10,365.45
  4. Step 4: Simplify right side
    19,152.33x = 297,168,070.77
  5. Step 5: Solve for x
    x = 297,168,070.77/19,152.33
  6. Step 6: Final answer
    x = 15,516.03

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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.