Home / 14,160.40-19,535.90-9,124.22

Finding the Fourth Proportional to 14,160.40, 19,535.90 and 9,124.22

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Solution

The fourth proportional to 14,160.40, 19,535.90 and 9,124.22 is: 12,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.40 : 19,535.90 = 9,124.22 : x
  2. Step 2: Convert to fraction form
    14,160.40/19,535.90 = 9,124.22/x
  3. Step 3: Cross multiply
    14,160.40x = 19,535.90 × 9,124.22
  4. Step 4: Simplify right side
    14,160.40x = 178,249,849.50
  5. Step 5: Solve for x
    x = 178,249,849.50/14,160.40
  6. Step 6: Final answer
    x = 12,587.91

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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.