Home / 26,421.68-36,461.50-14,485.12

Finding the Fourth Proportional to 26,421.68, 36,461.50 and 14,485.12

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Solution

The fourth proportional to 26,421.68, 36,461.50 and 14,485.12 is: 19,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,421.68 : 36,461.50 = 14,485.12 : x
  2. Step 2: Convert to fraction form
    26,421.68/36,461.50 = 14,485.12/x
  3. Step 3: Cross multiply
    26,421.68x = 36,461.50 × 14,485.12
  4. Step 4: Simplify right side
    26,421.68x = 528,149,075.51
  5. Step 5: Solve for x
    x = 528,149,075.51/26,421.68
  6. Step 6: Final answer
    x = 19,989.23

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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.