Home / 21,552.58-29,746.10-12,598.34

Finding the Fourth Proportional to 21,552.58, 29,746.10 and 12,598.34

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Solution

The fourth proportional to 21,552.58, 29,746.10 and 12,598.34 is: 17,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552.58 : 29,746.10 = 12,598.34 : x
  2. Step 2: Convert to fraction form
    21,552.58/29,746.10 = 12,598.34/x
  3. Step 3: Cross multiply
    21,552.58x = 29,746.10 × 12,598.34
  4. Step 4: Simplify right side
    21,552.58x = 374,751,364.24
  5. Step 5: Solve for x
    x = 374,751,364.24/21,552.58
  6. Step 6: Final answer
    x = 17,387.77

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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.