Home / 14,977.10-20,695.73-12,823.24

Finding the Fourth Proportional to 14,977.10, 20,695.73 and 12,823.24

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Solution

The fourth proportional to 14,977.10, 20,695.73 and 12,823.24 is: 17,719.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.10 : 20,695.73 = 12,823.24 : x
  2. Step 2: Convert to fraction form
    14,977.10/20,695.73 = 12,823.24/x
  3. Step 3: Cross multiply
    14,977.10x = 20,695.73 × 12,823.24
  4. Step 4: Simplify right side
    14,977.10x = 265,386,312.77
  5. Step 5: Solve for x
    x = 265,386,312.77/14,977.10
  6. Step 6: Final answer
    x = 17,719.47

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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.