Home / 19,664.20-29,477.10-17,590.60

Finding the Fourth Proportional to 19,664.20, 29,477.10 and 17,590.60

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Solution

The fourth proportional to 19,664.20, 29,477.10 and 17,590.60 is: 26,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.20 : 29,477.10 = 17,590.60 : x
  2. Step 2: Convert to fraction form
    19,664.20/29,477.10 = 17,590.60/x
  3. Step 3: Cross multiply
    19,664.20x = 29,477.10 × 17,590.60
  4. Step 4: Simplify right side
    19,664.20x = 518,519,875.26
  5. Step 5: Solve for x
    x = 518,519,875.26/19,664.20
  6. Step 6: Final answer
    x = 26,368.72

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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.