Home / 15,482.52-21,374.73-10,192.71

Finding the Fourth Proportional to 15,482.52, 21,374.73 and 10,192.71

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Solution

The fourth proportional to 15,482.52, 21,374.73 and 10,192.71 is: 14,071.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482.52 : 21,374.73 = 10,192.71 : x
  2. Step 2: Convert to fraction form
    15,482.52/21,374.73 = 10,192.71/x
  3. Step 3: Cross multiply
    15,482.52x = 21,374.73 × 10,192.71
  4. Step 4: Simplify right side
    15,482.52x = 217,866,504.37
  5. Step 5: Solve for x
    x = 217,866,504.37/15,482.52
  6. Step 6: Final answer
    x = 14,071.77

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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.