Home / 15,347.76-23,021.75-4,959.51

Finding the Fourth Proportional to 15,347.76, 23,021.75 and 4,959.51

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Solution

The fourth proportional to 15,347.76, 23,021.75 and 4,959.51 is: 7,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.76 : 23,021.75 = 4,959.51 : x
  2. Step 2: Convert to fraction form
    15,347.76/23,021.75 = 4,959.51/x
  3. Step 3: Cross multiply
    15,347.76x = 23,021.75 × 4,959.51
  4. Step 4: Simplify right side
    15,347.76x = 114,176,599.34
  5. Step 5: Solve for x
    x = 114,176,599.34/15,347.76
  6. Step 6: Final answer
    x = 7,439.30

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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.