Home / 21,547.96-32,322.35-6,756.55

Finding the Fourth Proportional to 21,547.96, 32,322.35 and 6,756.55

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Solution

The fourth proportional to 21,547.96, 32,322.35 and 6,756.55 is: 10,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547.96 : 32,322.35 = 6,756.55 : x
  2. Step 2: Convert to fraction form
    21,547.96/32,322.35 = 6,756.55/x
  3. Step 3: Cross multiply
    21,547.96x = 32,322.35 × 6,756.55
  4. Step 4: Simplify right side
    21,547.96x = 218,387,573.89
  5. Step 5: Solve for x
    x = 218,387,573.89/21,547.96
  6. Step 6: Final answer
    x = 10,134.95

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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.