Home / 13,031.72-19,547.52-9,153.44

Finding the Fourth Proportional to 13,031.72, 19,547.52 and 9,153.44

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Solution

The fourth proportional to 13,031.72, 19,547.52 and 9,153.44 is: 13,730.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.72 : 19,547.52 = 9,153.44 : x
  2. Step 2: Convert to fraction form
    13,031.72/19,547.52 = 9,153.44/x
  3. Step 3: Cross multiply
    13,031.72x = 19,547.52 × 9,153.44
  4. Step 4: Simplify right side
    13,031.72x = 178,926,953.73
  5. Step 5: Solve for x
    x = 178,926,953.73/13,031.72
  6. Step 6: Final answer
    x = 13,730.12

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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.