Home / 19,483.45-26,886.62-10,985.50

Finding the Fourth Proportional to 19,483.45, 26,886.62 and 10,985.50

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Solution

The fourth proportional to 19,483.45, 26,886.62 and 10,985.50 is: 15,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.45 : 26,886.62 = 10,985.50 : x
  2. Step 2: Convert to fraction form
    19,483.45/26,886.62 = 10,985.50/x
  3. Step 3: Cross multiply
    19,483.45x = 26,886.62 × 10,985.50
  4. Step 4: Simplify right side
    19,483.45x = 295,362,964.01
  5. Step 5: Solve for x
    x = 295,362,964.01/19,483.45
  6. Step 6: Final answer
    x = 15,159.68

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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.