Home / 19,300.16-26,626.08-13,001.60

Finding the Fourth Proportional to 19,300.16, 26,626.08 and 13,001.60

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Solution

The fourth proportional to 19,300.16, 26,626.08 and 13,001.60 is: 17,936.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.16 : 26,626.08 = 13,001.60 : x
  2. Step 2: Convert to fraction form
    19,300.16/26,626.08 = 13,001.60/x
  3. Step 3: Cross multiply
    19,300.16x = 26,626.08 × 13,001.60
  4. Step 4: Simplify right side
    19,300.16x = 346,181,641.73
  5. Step 5: Solve for x
    x = 346,181,641.73/19,300.16
  6. Step 6: Final answer
    x = 17,936.72

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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.