Home / 21,482.34-29,646.99-12,051.51

Finding the Fourth Proportional to 21,482.34, 29,646.99 and 12,051.51

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Solution

The fourth proportional to 21,482.34, 29,646.99 and 12,051.51 is: 16,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482.34 : 29,646.99 = 12,051.51 : x
  2. Step 2: Convert to fraction form
    21,482.34/29,646.99 = 12,051.51/x
  3. Step 3: Cross multiply
    21,482.34x = 29,646.99 × 12,051.51
  4. Step 4: Simplify right side
    21,482.34x = 357,290,996.45
  5. Step 5: Solve for x
    x = 357,290,996.45/21,482.34
  6. Step 6: Final answer
    x = 16,631.85

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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.