Home / 13,913.78-20,877.95-5,594.67

Finding the Fourth Proportional to 13,913.78, 20,877.95 and 5,594.67

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Solution

The fourth proportional to 13,913.78, 20,877.95 and 5,594.67 is: 8,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.78 : 20,877.95 = 5,594.67 : x
  2. Step 2: Convert to fraction form
    13,913.78/20,877.95 = 5,594.67/x
  3. Step 3: Cross multiply
    13,913.78x = 20,877.95 × 5,594.67
  4. Step 4: Simplify right side
    13,913.78x = 116,805,254.51
  5. Step 5: Solve for x
    x = 116,805,254.51/13,913.78
  6. Step 6: Final answer
    x = 8,394.94

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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.