Home / 14,435.66-19,905.59-12,530.92

Finding the Fourth Proportional to 14,435.66, 19,905.59 and 12,530.92

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Solution

The fourth proportional to 14,435.66, 19,905.59 and 12,530.92 is: 17,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.66 : 19,905.59 = 12,530.92 : x
  2. Step 2: Convert to fraction form
    14,435.66/19,905.59 = 12,530.92/x
  3. Step 3: Cross multiply
    14,435.66x = 19,905.59 × 12,530.92
  4. Step 4: Simplify right side
    14,435.66x = 249,435,193.66
  5. Step 5: Solve for x
    x = 249,435,193.66/14,435.66
  6. Step 6: Final answer
    x = 17,279.10

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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.