Home / 15,927.41-21,929.62-14,451.18

Finding the Fourth Proportional to 15,927.41, 21,929.62 and 14,451.18

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Solution

The fourth proportional to 15,927.41, 21,929.62 and 14,451.18 is: 19,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,927.41 : 21,929.62 = 14,451.18 : x
  2. Step 2: Convert to fraction form
    15,927.41/21,929.62 = 14,451.18/x
  3. Step 3: Cross multiply
    15,927.41x = 21,929.62 × 14,451.18
  4. Step 4: Simplify right side
    15,927.41x = 316,908,885.95
  5. Step 5: Solve for x
    x = 316,908,885.95/15,927.41
  6. Step 6: Final answer
    x = 19,897.08

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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.