Home / 14,590.54-20,113.95-10,391.50

Finding the Fourth Proportional to 14,590.54, 20,113.95 and 10,391.50

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Solution

The fourth proportional to 14,590.54, 20,113.95 and 10,391.50 is: 14,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.54 : 20,113.95 = 10,391.50 : x
  2. Step 2: Convert to fraction form
    14,590.54/20,113.95 = 10,391.50/x
  3. Step 3: Cross multiply
    14,590.54x = 20,113.95 × 10,391.50
  4. Step 4: Simplify right side
    14,590.54x = 209,014,111.43
  5. Step 5: Solve for x
    x = 209,014,111.43/14,590.54
  6. Step 6: Final answer
    x = 14,325.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.