Home / 13,547.95-20,322.83-5,228.03

Finding the Fourth Proportional to 13,547.95, 20,322.83 and 5,228.03

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Solution

The fourth proportional to 13,547.95, 20,322.83 and 5,228.03 is: 7,842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547.95 : 20,322.83 = 5,228.03 : x
  2. Step 2: Convert to fraction form
    13,547.95/20,322.83 = 5,228.03/x
  3. Step 3: Cross multiply
    13,547.95x = 20,322.83 × 5,228.03
  4. Step 4: Simplify right side
    13,547.95x = 106,248,364.92
  5. Step 5: Solve for x
    x = 106,248,364.92/13,547.95
  6. Step 6: Final answer
    x = 7,842.39

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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.