Home / 21,492.14-29,657.54-12,058.88

Finding the Fourth Proportional to 21,492.14, 29,657.54 and 12,058.88

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Solution

The fourth proportional to 21,492.14, 29,657.54 and 12,058.88 is: 16,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492.14 : 29,657.54 = 12,058.88 : x
  2. Step 2: Convert to fraction form
    21,492.14/29,657.54 = 12,058.88/x
  3. Step 3: Cross multiply
    21,492.14x = 29,657.54 × 12,058.88
  4. Step 4: Simplify right side
    21,492.14x = 357,636,597.81
  5. Step 5: Solve for x
    x = 357,636,597.81/21,492.14
  6. Step 6: Final answer
    x = 16,640.35

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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.