Home / 14,547.18-21,779.64-9,269.22

Finding the Fourth Proportional to 14,547.18, 21,779.64 and 9,269.22

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Solution

The fourth proportional to 14,547.18, 21,779.64 and 9,269.22 is: 13,877.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,547.18 : 21,779.64 = 9,269.22 : x
  2. Step 2: Convert to fraction form
    14,547.18/21,779.64 = 9,269.22/x
  3. Step 3: Cross multiply
    14,547.18x = 21,779.64 × 9,269.22
  4. Step 4: Simplify right side
    14,547.18x = 201,880,274.68
  5. Step 5: Solve for x
    x = 201,880,274.68/14,547.18
  6. Step 6: Final answer
    x = 13,877.62

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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.