Home / 19,888.51-29,767.83-14,622.13

Finding the Fourth Proportional to 19,888.51, 29,767.83 and 14,622.13

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Solution

The fourth proportional to 19,888.51, 29,767.83 and 14,622.13 is: 21,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.51 : 29,767.83 = 14,622.13 : x
  2. Step 2: Convert to fraction form
    19,888.51/29,767.83 = 14,622.13/x
  3. Step 3: Cross multiply
    19,888.51x = 29,767.83 × 14,622.13
  4. Step 4: Simplify right side
    19,888.51x = 435,269,080.08
  5. Step 5: Solve for x
    x = 435,269,080.08/19,888.51
  6. Step 6: Final answer
    x = 21,885.45

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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.