Home / 15,968.96-22,038.36-9,256.40

Finding the Fourth Proportional to 15,968.96, 22,038.36 and 9,256.40

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Solution

The fourth proportional to 15,968.96, 22,038.36 and 9,256.40 is: 12,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968.96 : 22,038.36 = 9,256.40 : x
  2. Step 2: Convert to fraction form
    15,968.96/22,038.36 = 9,256.40/x
  3. Step 3: Cross multiply
    15,968.96x = 22,038.36 × 9,256.40
  4. Step 4: Simplify right side
    15,968.96x = 203,995,875.50
  5. Step 5: Solve for x
    x = 203,995,875.50/15,968.96
  6. Step 6: Final answer
    x = 12,774.52

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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.