Home / 25,769.04-38,641.34-9,981.47

Finding the Fourth Proportional to 25,769.04, 38,641.34 and 9,981.47

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Solution

The fourth proportional to 25,769.04, 38,641.34 and 9,981.47 is: 14,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.04 : 38,641.34 = 9,981.47 : x
  2. Step 2: Convert to fraction form
    25,769.04/38,641.34 = 9,981.47/x
  3. Step 3: Cross multiply
    25,769.04x = 38,641.34 × 9,981.47
  4. Step 4: Simplify right side
    25,769.04x = 385,697,132.86
  5. Step 5: Solve for x
    x = 385,697,132.86/25,769.04
  6. Step 6: Final answer
    x = 14,967.46

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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.