Home / 15,018.32-22,498.08-9,808.40

Finding the Fourth Proportional to 15,018.32, 22,498.08 and 9,808.40

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Solution

The fourth proportional to 15,018.32, 22,498.08 and 9,808.40 is: 14,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018.32 : 22,498.08 = 9,808.40 : x
  2. Step 2: Convert to fraction form
    15,018.32/22,498.08 = 9,808.40/x
  3. Step 3: Cross multiply
    15,018.32x = 22,498.08 × 9,808.40
  4. Step 4: Simplify right side
    15,018.32x = 220,670,167.87
  5. Step 5: Solve for x
    x = 220,670,167.87/15,018.32
  6. Step 6: Final answer
    x = 14,693.40

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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.