Home / 20,008.95-30,017.71-5,970.08

Finding the Fourth Proportional to 20,008.95, 30,017.71 and 5,970.08

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Solution

The fourth proportional to 20,008.95, 30,017.71 and 5,970.08 is: 8,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.95 : 30,017.71 = 5,970.08 : x
  2. Step 2: Convert to fraction form
    20,008.95/30,017.71 = 5,970.08/x
  3. Step 3: Cross multiply
    20,008.95x = 30,017.71 × 5,970.08
  4. Step 4: Simplify right side
    20,008.95x = 179,208,144.99
  5. Step 5: Solve for x
    x = 179,208,144.99/20,008.95
  6. Step 6: Final answer
    x = 8,956.40

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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.