Home / 19,533.48-26,967.70-12,830.79

Finding the Fourth Proportional to 19,533.48, 26,967.70 and 12,830.79

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Solution

The fourth proportional to 19,533.48, 26,967.70 and 12,830.79 is: 17,714.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,533.48 : 26,967.70 = 12,830.79 : x
  2. Step 2: Convert to fraction form
    19,533.48/26,967.70 = 12,830.79/x
  3. Step 3: Cross multiply
    19,533.48x = 26,967.70 × 12,830.79
  4. Step 4: Simplify right side
    19,533.48x = 346,016,895.48
  5. Step 5: Solve for x
    x = 346,016,895.48/19,533.48
  6. Step 6: Final answer
    x = 17,714.04

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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.