Home / 15,386.95-23,080.44-4,293.67

Finding the Fourth Proportional to 15,386.95, 23,080.44 and 4,293.67

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Solution

The fourth proportional to 15,386.95, 23,080.44 and 4,293.67 is: 6,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386.95 : 23,080.44 = 4,293.67 : x
  2. Step 2: Convert to fraction form
    15,386.95/23,080.44 = 4,293.67/x
  3. Step 3: Cross multiply
    15,386.95x = 23,080.44 × 4,293.67
  4. Step 4: Simplify right side
    15,386.95x = 99,099,792.81
  5. Step 5: Solve for x
    x = 99,099,792.81/15,386.95
  6. Step 6: Final answer
    x = 6,440.51

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Double scale
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Similar ratio
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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.