Home / 15,897.44-23,830.55-8,880.81

Finding the Fourth Proportional to 15,897.44, 23,830.55 and 8,880.81

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Solution

The fourth proportional to 15,897.44, 23,830.55 and 8,880.81 is: 13,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,897.44 : 23,830.55 = 8,880.81 : x
  2. Step 2: Convert to fraction form
    15,897.44/23,830.55 = 8,880.81/x
  3. Step 3: Cross multiply
    15,897.44x = 23,830.55 × 8,880.81
  4. Step 4: Simplify right side
    15,897.44x = 211,634,737.30
  5. Step 5: Solve for x
    x = 211,634,737.30/15,897.44
  6. Step 6: Final answer
    x = 13,312.50

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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.