Home / 35,545.49-53,312.76-11,853.45

Finding the Fourth Proportional to 35,545.49, 53,312.76 and 11,853.45

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Solution

The fourth proportional to 35,545.49, 53,312.76 and 11,853.45 is: 17,778.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,545.49 : 53,312.76 = 11,853.45 : x
  2. Step 2: Convert to fraction form
    35,545.49/53,312.76 = 11,853.45/x
  3. Step 3: Cross multiply
    35,545.49x = 53,312.76 × 11,853.45
  4. Step 4: Simplify right side
    35,545.49x = 631,939,868.46
  5. Step 5: Solve for x
    x = 631,939,868.46/35,545.49
  6. Step 6: Final answer
    x = 17,778.34

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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.