Home / 19,533.48-29,301.51-7,686.32

Finding the Fourth Proportional to 19,533.48, 29,301.51 and 7,686.32

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Solution

The fourth proportional to 19,533.48, 29,301.51 and 7,686.32 is: 11,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,533.48 : 29,301.51 = 7,686.32 : x
  2. Step 2: Convert to fraction form
    19,533.48/29,301.51 = 7,686.32/x
  3. Step 3: Cross multiply
    19,533.48x = 29,301.51 × 7,686.32
  4. Step 4: Simplify right side
    19,533.48x = 225,220,714.64
  5. Step 5: Solve for x
    x = 225,220,714.64/19,533.48
  6. Step 6: Final answer
    x = 11,529.98

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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.