Home / 19,095.93-26,332.97-12,720.69

Finding the Fourth Proportional to 19,095.93, 26,332.97 and 12,720.69

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Solution

The fourth proportional to 19,095.93, 26,332.97 and 12,720.69 is: 17,541.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095.93 : 26,332.97 = 12,720.69 : x
  2. Step 2: Convert to fraction form
    19,095.93/26,332.97 = 12,720.69/x
  3. Step 3: Cross multiply
    19,095.93x = 26,332.97 × 12,720.69
  4. Step 4: Simplify right side
    19,095.93x = 334,973,484.55
  5. Step 5: Solve for x
    x = 334,973,484.55/19,095.93
  6. Step 6: Final answer
    x = 17,541.62

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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.