Home / 19,898.51-27,459.75-10,946.02

Finding the Fourth Proportional to 19,898.51, 27,459.75 and 10,946.02

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Solution

The fourth proportional to 19,898.51, 27,459.75 and 10,946.02 is: 15,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.51 : 27,459.75 = 10,946.02 : x
  2. Step 2: Convert to fraction form
    19,898.51/27,459.75 = 10,946.02/x
  3. Step 3: Cross multiply
    19,898.51x = 27,459.75 × 10,946.02
  4. Step 4: Simplify right side
    19,898.51x = 300,575,035.46
  5. Step 5: Solve for x
    x = 300,575,035.46/19,898.51
  6. Step 6: Final answer
    x = 15,105.40

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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.