Home / 14,775.08-20,366.98-10,513.40

Finding the Fourth Proportional to 14,775.08, 20,366.98 and 10,513.40

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Solution

The fourth proportional to 14,775.08, 20,366.98 and 10,513.40 is: 14,492.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.08 : 20,366.98 = 10,513.40 : x
  2. Step 2: Convert to fraction form
    14,775.08/20,366.98 = 10,513.40/x
  3. Step 3: Cross multiply
    14,775.08x = 20,366.98 × 10,513.40
  4. Step 4: Simplify right side
    14,775.08x = 214,126,079.41
  5. Step 5: Solve for x
    x = 214,126,079.41/14,775.08
  6. Step 6: Final answer
    x = 14,492.39

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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.