Home / 13,390.95-20,088.65-4,623.51

Finding the Fourth Proportional to 13,390.95, 20,088.65 and 4,623.51

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Solution

The fourth proportional to 13,390.95, 20,088.65 and 4,623.51 is: 6,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390.95 : 20,088.65 = 4,623.51 : x
  2. Step 2: Convert to fraction form
    13,390.95/20,088.65 = 4,623.51/x
  3. Step 3: Cross multiply
    13,390.95x = 20,088.65 × 4,623.51
  4. Step 4: Simplify right side
    13,390.95x = 92,880,074.16
  5. Step 5: Solve for x
    x = 92,880,074.16/13,390.95
  6. Step 6: Final answer
    x = 6,936.03

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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.