Home / 19,458.54-26,855.10-10,962.18

Finding the Fourth Proportional to 19,458.54, 26,855.10 and 10,962.18

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Solution

The fourth proportional to 19,458.54, 26,855.10 and 10,962.18 is: 15,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.54 : 26,855.10 = 10,962.18 : x
  2. Step 2: Convert to fraction form
    19,458.54/26,855.10 = 10,962.18/x
  3. Step 3: Cross multiply
    19,458.54x = 26,855.10 × 10,962.18
  4. Step 4: Simplify right side
    19,458.54x = 294,390,440.12
  5. Step 5: Solve for x
    x = 294,390,440.12/19,458.54
  6. Step 6: Final answer
    x = 15,129.11

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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.