Home / 19,423.18-29,060.88-12,009.22

Finding the Fourth Proportional to 19,423.18, 29,060.88 and 12,009.22

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Solution

The fourth proportional to 19,423.18, 29,060.88 and 12,009.22 is: 17,968.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.18 : 29,060.88 = 12,009.22 : x
  2. Step 2: Convert to fraction form
    19,423.18/29,060.88 = 12,009.22/x
  3. Step 3: Cross multiply
    19,423.18x = 29,060.88 × 12,009.22
  4. Step 4: Simplify right side
    19,423.18x = 348,998,501.31
  5. Step 5: Solve for x
    x = 348,998,501.31/19,423.18
  6. Step 6: Final answer
    x = 17,968.14

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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.