Home / 14,056.63-19,397.51-8,681.47

Finding the Fourth Proportional to 14,056.63, 19,397.51 and 8,681.47

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Solution

The fourth proportional to 14,056.63, 19,397.51 and 8,681.47 is: 11,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,056.63 : 19,397.51 = 8,681.47 : x
  2. Step 2: Convert to fraction form
    14,056.63/19,397.51 = 8,681.47/x
  3. Step 3: Cross multiply
    14,056.63x = 19,397.51 × 8,681.47
  4. Step 4: Simplify right side
    14,056.63x = 168,398,841.79
  5. Step 5: Solve for x
    x = 168,398,841.79/14,056.63
  6. Step 6: Final answer
    x = 11,980.03

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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.