Home / 15,547.04-21,455.50-8,833.81

Finding the Fourth Proportional to 15,547.04, 21,455.50 and 8,833.81

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Solution

The fourth proportional to 15,547.04, 21,455.50 and 8,833.81 is: 12,190.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.04 : 21,455.50 = 8,833.81 : x
  2. Step 2: Convert to fraction form
    15,547.04/21,455.50 = 8,833.81/x
  3. Step 3: Cross multiply
    15,547.04x = 21,455.50 × 8,833.81
  4. Step 4: Simplify right side
    15,547.04x = 189,533,734.73
  5. Step 5: Solve for x
    x = 189,533,734.73/15,547.04
  6. Step 6: Final answer
    x = 12,190.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.