Home / 20,710.08-28,547.64-17,346.96

Finding the Fourth Proportional to 20,710.08, 28,547.64 and 17,346.96

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Solution

The fourth proportional to 20,710.08, 28,547.64 and 17,346.96 is: 23,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710.08 : 28,547.64 = 17,346.96 : x
  2. Step 2: Convert to fraction form
    20,710.08/28,547.64 = 17,346.96/x
  3. Step 3: Cross multiply
    20,710.08x = 28,547.64 × 17,346.96
  4. Step 4: Simplify right side
    20,710.08x = 495,214,769.17
  5. Step 5: Solve for x
    x = 495,214,769.17/20,710.08
  6. Step 6: Final answer
    x = 23,911.77

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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.