Home / 15,075.44-22,615.32-4,688

Finding the Fourth Proportional to 15,075.44, 22,615.32 and 4,688

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Solution

The fourth proportional to 15,075.44, 22,615.32 and 4,688 is: 7,032.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.44 : 22,615.32 = 4,688 : x
  2. Step 2: Convert to fraction form
    15,075.44/22,615.32 = 4,688/x
  3. Step 3: Cross multiply
    15,075.44x = 22,615.32 × 4,688
  4. Step 4: Simplify right side
    15,075.44x = 106,020,620.16
  5. Step 5: Solve for x
    x = 106,020,620.16/15,075.44
  6. Step 6: Final answer
    x = 7,032.67

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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.