Home / 23,045.51-31,802.85-12,973.92

Finding the Fourth Proportional to 23,045.51, 31,802.85 and 12,973.92

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Solution

The fourth proportional to 23,045.51, 31,802.85 and 12,973.92 is: 17,904.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,045.51 : 31,802.85 = 12,973.92 : x
  2. Step 2: Convert to fraction form
    23,045.51/31,802.85 = 12,973.92/x
  3. Step 3: Cross multiply
    23,045.51x = 31,802.85 × 12,973.92
  4. Step 4: Simplify right side
    23,045.51x = 412,607,727.79
  5. Step 5: Solve for x
    x = 412,607,727.79/23,045.51
  6. Step 6: Final answer
    x = 17,904.04

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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.