Home / 23,031.42-34,547.13-12,708.78

Finding the Fourth Proportional to 23,031.42, 34,547.13 and 12,708.78

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Solution

The fourth proportional to 23,031.42, 34,547.13 and 12,708.78 is: 19,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,031.42 : 34,547.13 = 12,708.78 : x
  2. Step 2: Convert to fraction form
    23,031.42/34,547.13 = 12,708.78/x
  3. Step 3: Cross multiply
    23,031.42x = 34,547.13 × 12,708.78
  4. Step 4: Simplify right side
    23,031.42x = 439,051,874.80
  5. Step 5: Solve for x
    x = 439,051,874.80/23,031.42
  6. Step 6: Final answer
    x = 19,063.17

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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.