Home / 14,117.61-19,479.17-8,148.02

Finding the Fourth Proportional to 14,117.61, 19,479.17 and 8,148.02

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Solution

The fourth proportional to 14,117.61, 19,479.17 and 8,148.02 is: 11,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.61 : 19,479.17 = 8,148.02 : x
  2. Step 2: Convert to fraction form
    14,117.61/19,479.17 = 8,148.02/x
  3. Step 3: Cross multiply
    14,117.61x = 19,479.17 × 8,148.02
  4. Step 4: Simplify right side
    14,117.61x = 158,716,528.61
  5. Step 5: Solve for x
    x = 158,716,528.61/14,117.61
  6. Step 6: Final answer
    x = 11,242.45

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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.