Home / 14,437.72-21,703.02-13,410.64

Finding the Fourth Proportional to 14,437.72, 21,703.02 and 13,410.64

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Solution

The fourth proportional to 14,437.72, 21,703.02 and 13,410.64 is: 20,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,437.72 : 21,703.02 = 13,410.64 : x
  2. Step 2: Convert to fraction form
    14,437.72/21,703.02 = 13,410.64/x
  3. Step 3: Cross multiply
    14,437.72x = 21,703.02 × 13,410.64
  4. Step 4: Simplify right side
    14,437.72x = 291,051,388.13
  5. Step 5: Solve for x
    x = 291,051,388.13/14,437.72
  6. Step 6: Final answer
    x = 20,159.10

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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.