Home / 19,555.06-26,985.59-10,602.40

Finding the Fourth Proportional to 19,555.06, 26,985.59 and 10,602.40

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Solution

The fourth proportional to 19,555.06, 26,985.59 and 10,602.40 is: 14,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.06 : 26,985.59 = 10,602.40 : x
  2. Step 2: Convert to fraction form
    19,555.06/26,985.59 = 10,602.40/x
  3. Step 3: Cross multiply
    19,555.06x = 26,985.59 × 10,602.40
  4. Step 4: Simplify right side
    19,555.06x = 286,112,019.42
  5. Step 5: Solve for x
    x = 286,112,019.42/19,555.06
  6. Step 6: Final answer
    x = 14,631.10

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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.